2013 in arthropod paleontology

This list of fossil arthropods described in 2013 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that have been described during the year 2013. The list only includes taxa at the level of genus or species.

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Arachnids

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Amiracarus pliocennatus[1]	Sp. nov	Valid	Miko et al.	Pliocene to Pleistocene		Slovenia	An oribatid mite.
Chaerilobuthus longiaculeus[2]	Sp. nov	Valid	Lourenço	Cenomanian	Burmese amber	Myanmar	A scorpion, a species of Chaerilobuthus.
Friularachne[3]	Gen. et sp. nov	Valid	Dalla Vecchia & Selden	Late Triassic (Norian)	Dolomia di Forni Formation	Italy	A member of Mygalomorphae, possibly an atypoid. The type species is Friularachne rigoi.
Gondwanascorpio[4]	Gen. et sp. nov	Valid	Gess	Devonian (Famennian)	Witpoort Formation	South Africa	A scorpion of uncertain phylogenetic placement. The type species is Gondwanascorpio emzantsiensis.
Labidostoma (Pseudocornutella) electri[5]	Subgen. et sp. nov	Valid	Sidorchuk & Bertrand	Eocene		Europe	A labidostomatid mite found in Baltic amber, a species of Labidostoma.
Lagonomegops? cor[6]	Sp. nov	Valid[7]	Pérez-de la Fuente, Saupe & Selden	Early Cretaceous (Albian)		Spain	A lagonomegopid found in Albian Spanish amber, possibly a species of Lagonomegops.
Mongolarachne[8]	Gen. et comb. nov	Valid	Selden, Shih & Ren	Middle or Late Jurassic		China	A member of Araneomorphae related to the group Orbiculariae; a new genus for "Nephila" jurassica Selden, Shih & Ren (2011).
Permotarbus[9]	Gen. et sp. nov	Valid	Dunlop & Rößler	Early Permian		Germany	A member of Trigonotarbida. The type species is Permotarbus schuberti.
Sellnickiella balticae[5]	Sp. nov	Valid	Sidorchuk & Bertrand	Eocene		Europe	A labidostomatid mite found in Baltic amber, a species of Sellnickiella.
Soplaogonomegops[6]	Gen. et sp. nov	Valid[7]	Pérez-de la Fuente, Saupe & Selden	Early Cretaceous (Albian)		Spain	A lagonomegopid found in Albian Spanish amber. The type species is Soplaogonomegops unzuei.
Spinomegops[6]	Gen. et 2 sp. nov	Valid[7]	Pérez-de la Fuente, Saupe & Selden	Early Cretaceous (Albian)		Spain	A lagonomegopid found in Albian Spanish amber. Genus contains two species: S. arcanus and S. aragonensis.
Talbragaraneus[10]	Gen. et sp. nov	Valid	Selden & Beattie	Jurassic	Talbragar Fossil Fish Bed	Australia	A possible member of Uloboridae. The type species is Talbragaraneus jurassicus.
Tityus azari[11]	Sp. nov.	Disputed	Lourenço	Late Eocene or early Oligocene		Dominican Republic	A buthid scorpion found in Dominican amber, a species of Tityus. Teruel (2017) considered this species to be a junior synonym of Tityus geratus Santiago-Blay & Poinar (1988),[12] while Lourenço (2017) considered it to be a distinct species.[13]
Tynecotarbus[14]	Gen. et sp. nov	Valid	Hradská & Dunlop	Carboniferous (late Pennsylvanian)		Czech Republic	A member of Trigonotarbida. The type species is Tynecotarbus tichaveki.

Crustaceans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Acareprosopon[15]	Gen. et comb. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Prosopidae. The type species is "Pithonoton" bouvieri Van Straelen (1944).
Acratia? hamadai[16]	Sp. nov	Valid	Tanaka, Ono & Maeda in Tanaka et al.	Middle Permian		Japan	An ostracod, possibly a species of Acratia.
Acratia? jeanvannieri[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian to Early Triassic		Hungary	An acratiid ostracod, a possible species of Acratia.
Acratia nagyvisnyoensis[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian (Changhsingian)	Nagyvisnyó Limestone Formation	Hungary	An acratiid ostracod, a species of Acratia.
Acratia? okumurai[16]	Sp. nov	Valid	Tanaka in Tanaka et al.	Middle Permian		Japan	An ostracod, possibly a species of Acratia.
Aeger luxii[18]	Sp. nov	Valid	Huang et al.	Middle Triassic	Guanling Formation	China	A penaeoid, a species of Aeger.
Aegyptoleberis[19]	Gen. et comb. nov	Valid	Boukhary, Bassiouni & Sharabi in Boukhary et al.	Paleocene		Egypt	An ostracod; a new genus for "Cythereis" coronata Esker (1968).
Albaidaplax[20]	Gen. et sp. nov	Valid	Garassino, Pasini & Castro	Pliocene to early Pleistocene		Italy Spain	A goneplacid crab. The type species is Albaidaplax ispalensis. Announced in 2013; validated in 2023.[21]
Albenizus[15]	Gen. et sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Torynommidae. The type species is Albenizus minutus.
Ambulocapsa[22]	Gen. et 4 sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. Genus contains four species: Ambulocapsa altilis, Ambulocapsa bachmayeri, Ambulocapsa novacula and Ambulocapsa sentosa.
Antrimpos germanicus[23]	Sp. nov	Valid	Brandt & Schulz	Middle Triassic	Trochitenkalk Formation	Germany	A member of the family Penaeidae. Originally described as a species of Antrimpos, but subsequently transferred to the genus Gladiocaris.[24]
Amphicytherura fragilis[25]	Sp. nov	Valid	Nicolaidis & Piovesan in Piovesan et al.	Early Cretaceous (Albian)	São Mateus Formation	Brazil	An ostracod belonging to the family Cytheridae. Originally described as a species of Amphicytherura;[25] Antonietto et al. (2016) transferred the species to the genus Aracajuia.[26]
Angarestia[27]	Gen. et comb. et 3 sp. nov	Valid	Charbonnier et al.	Jurassic and Cretaceous		Antarctica Australia Italy Lebanon	A member of the family Glypheidae. A new genus for "Glyphea" australensis Feldmann, Tshudy & Thomson (1993); genus also includes "Glyphea" tricarinata Garassino (1996), "Glyphea" foresti Feldmann & de Saint Laurent (2002), and "Glyphea" damesi Garassino (2001), as well as new species A. viallei, A. anatoliensis and A. mugudaensis.
Ankylokypha[22]	Gen. et sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. The type species is Ankylokypha parabola.
Archaeoportunus[28]	Gen. et sp. nov	Valid	Artal, Ossó & Domínguez	Early Eocene (Ypresian)	Roda Formation	Spain	A crab, a member of Portunoidea. The type species is Archaeoportunus isabenensis.
Archaeotetra lessinea[29]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A trapeziid trapezioid, a species of Archaeotetra.
Arcoscalpellum concavitectum[30]	Sp. nov	Valid	Carriol	Pliocene		France	A barnacle, a species of Arcoscalpellum.
Astiplax[31]	Gen. et sp. nov	Valid	Garassino & Pasini	Late Pliocene		Italy	A goneplacid crab. The type species is Astiplax aspera.
Audogaster[27]	Gen. et comb. et sp. nov	Valid	Charbonnier et al.	Triassic		Germany	A member of Glypheoidea belonging to the family Litogastridae. Genus includes "Pseudopemphix" spinosus Assmann (1927), as well as new species A. assmanni.
Aulavescus[22]	Gen. et 2 sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. Genus contains two species: Aulavescus exutus and Aulavescus tectus.
Aurikirkbya kinshozanensis[16]	Sp. nov	Valid	Tanaka in Tanaka et al.	Middle Permian		Japan	An ostracod, a species of Aurikirkbya.
Aysegulina mbassisensis[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Trachyleberididae.
Aysegulina papillata[32]	Sp. nov	Valid	Sarr	Paleocene-Eocene (Thanetian-Lutetian)		Guinea-Bissau Senegal	An ostracod belonging to the family Trachyleberididae.
Bachmayerus[33]	Gen. et sp. nov	Valid	Fraaije et al.	Late Jurassic to Early Cretaceous (Tithonian to early Berriasian)	Štramberk Limestone	Czech Republic	A hermit crab, a member of Diogenidae. The type species is Bachmayerus cavus.
Bairdia akasakaensis[16]	Sp. nov	Valid	Tanaka in Tanaka et al.	Middle Permian		Japan	An ostracod, a species of Bairdia.
Bairdia anisongae[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian to Early Triassic		Hungary	A bairdiid ostracod, a species of Bairdia.
Bairdia baudini[17]	Nom. nov	Valid	Crasquin in Forel et al.	Late Permian to Early Triassic		China Hungary Turkey	A replacement name for the bairdiid ostracod species Bairdia subsymmetrica (Shi in Shi and Chen, 1987).
Bairdia davehornei[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian to Early Triassic		Hungary	A bairdiid ostracod, a species of Bairdia.
Bairdia nishiwakii[16]	Sp. nov	Valid	Tanaka & Nishimura in Tanaka et al.	Middle Permian		Japan	An ostracod, a species of Bairdia.
Bairdia oogakiensis[16]	Sp. nov	Valid	Tanaka in Tanaka et al.	Middle Permian		Japan	An ostracod, a species of Bairdia.
Bairdiacypris chaabetensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Bairdiacypris? hayasakai[16]	Sp. nov	Valid	Tanaka in Tanaka et al.	Middle Permian		Japan	An ostracod, possibly a species of Bairdiacypris.
Bathycalliax mediterranea[35]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A member of Callianassidae, a species of Bathycalliax.
Bittnerilia pentagonalis[36]	Sp. nov	Valid	Beschin, De Angeli & Zarantonello	Eocene		Italy	A crab belonging to the family Parthenopidae.
Bonizzatoides[37]	Gen. et sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A raninid crab. The type species is Bonizzatoides tuberculatus.
Boschettocheles[36]	Gen. et sp. nov	Valid	Beschin, De Angeli & Zarantonello	Eocene		Italy	Genus includes new species B. magnum.
Brachycythere multidifferentis[25]	Sp. nov	Valid	Nicolaidis & Piovesan in Piovesan et al.	Late Cretaceous (Cenomanian-Turonian)	Florianópolis Formation Itajaí-Açu Formation Itanhaém Formation	Brazil	An ostracod belonging to the family Brachycytheridae. Originally described as a species of Brachycythere; transferred to the genus Sapucariella by Puckett, Andreu & Colin (2016).[38]
Brasacypris subovatum[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, a species of Brasacypris.
Bulbileaia[40]	Gen. et sp. nov	Valid	Niu in Niu et al.	Late Permian	Taohaiyingzi Formation	China	A clam shrimp. The type species is Bulbileaia orientalis.
Bullariscus[22]	Gen. et 4 sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. Genus contains four species: Bullariscus arcuotorus, B. gibbernodus, B. patruliusi and B. triquetrus.
Bythocypris amelkisensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Algeria[41] Morocco	An ostracod.
Calappilia minuta[37]	Sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A calappid crab, a species of Calappilia.
Callianassa (s.l.) ocozocoautlaensis[42]	Sp. nov	Valid	Hyžný, Vega & Coutiño	Late Cretaceous (early Maastrichtian)	Ocozocoautla Formation	Mexico	A member of Callianassidae, a species of Callianassa (sensu lato). Announced in 2013; validated in 2023.[43]
Callicythere? balvanyseptentrioensis[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian to Early Triassic		Hungary	A bythocytherid ostracod, a possible species of Callicythere.
Candonocypris fimibolus[44]	Sp. nov	Valid[45]	Matzke-Karasz et al.	Early Miocene (23–16 Ma)	Riversleigh	Australia	An ostracod, a species of Candonocypris.
Cavellina hashintotoi[16]	Sp. nov	Valid	Tanaka & Maeda in Tanaka et al.	Middle Permian		Japan	An ostracod, a species of Cavellina.
Cenomanocarcinus nammourensis[46]	Sp. nov	Valid	Beschin & De Angeli	Late Cretaceous (Cenomanian)		Lebanon	A raninoid crab, a species of Cenomanocarcinus.
Cenomanocarcinus robertsi[47]	Sp. nov	Valid	Feldmann et al.	Late Cretaceous (Campanian)		United States	A raninoid crab, a species of Cenomanocarcinus.
Charybdis (Charybdis) kinugawai[48]	Sp. nov	Valid	Karasawa in Karasawa & Kinugawa	Late Pliocene	Ananai Formation	Japan	A portunid crab, a species of Charybdis.
Chondromaia[47]	Gen. et sp. nov	Valid	Feldmann et al.	Late Cretaceous (early Maastrichtian)	Mount Laurel Formation	United States	A majid crab. The type species is Chondromaia antiqua.
Cirolana feldmanni[49]	Sp. nov	Valid	Hyžný, Bruce & Schlögl	Early Miocene (late Karpatian, latest Burdigalian in the Mediterranean scale)	Lakšárska Nová Ves Formation	Slovakia	A cirolanid isopod, a species of Cirolana.
Codoisopus[50]	Gen. et sp. nov	Valid	Lindoso, Carvalho & Mendes	Early Cretaceous (Aptian)	Codó Formation	Brazil	An archaeoniscid isopod. The type species is Codoisopus brejensis.
Costa ? deklaszi[32]	Sp. nov	Valid	Sarr	Paleocene (Selandian-Thanetian)		Senegal	An ostracod belonging to the family Trachyleberididae.
Cracensigillatus[22]	Gen. et 2 sp. et comb. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Kimmeridgian[51] and Tithonian)	Ernstbrunn Limestone	Austria Romania[51]	A munidopsid galatheoid. Genus contains two new species: Cracensigillatus gracilirostrus and Cracensigillatus prolatus, as well as the species Cracensigillatus acutirostrus (Moericke, 1889).
Cretamaja[15]	Gen. et sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the group Majoidea and the family Priscinachidae. The type species is Cretamaja granulata.
Cryptopagurus[52]	Gen. et sp. nov	Valid	Schweigert et al.	Early Jurassic (late Pliensbachian)		Germany	A hermit crab. The type species is Cryptopagurus svenhofmanni.
Ctenocheles fabianii[37]	Sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A member of Axiidea, a species of Ctenocheles.
Culmenformosa[22]	Gen. et 3 sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. Genus contains three species: Culmenformosa glaessneri, Culmenformosa nephelepera and Culmenformosa triastrixosa.
Cycleryon bourseaui[53]	Sp. nov	Valid[54]	Audo et al.	Late Jurassic		France	An eryonid, a species of Cycleryon.
Cytherella tazzouguertensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Algeria[41] Morocco	An ostracod.
Cytherellina? magyarorszagensis[17]	Sp. nov	Valid	Forel in Forel et al.	Early Triassic (Griesbachian)	Gerennavár Limestone Formation	Hungary	A bairdiocypridid ostracod, a possible species of Cytherellina.
Cytherelloidea saloumensis[32]	Sp. nov	Valid	Sarr	Paleocene-Eocene (Thanetian-Ypresian)		Senegal	An ostracod belonging to the family Cytherellidae.
Cytheropteron dakhlaensis[19]	Sp. nov	Valid	Boukhary & Bassiouni in Boukhary et al.	Paleocene		Egypt	An ostracod.
Cytheropteron mbeyensis[32]	Sp. nov	Valid	Sarr	Paleocene (Selandian-Thanetian)		Senegal	An ostracod belonging to the family Cytheruridae.
Dahomeya reticulata[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Brachycytheridae.
Demania ahramensis[55]	Sp. nov	Valid	Yazdi et al.	Middle Miocene	Mishan Formation	Iran	A xanthid crab, a species of Demania.
Dinglecythere[56]	Gen. et comb. nov	Valid	Antonietto et al.	Late Cretaceous (Santonian) to Eocene (Priabonian)		Australia Jamaica South Africa United States	An ostracod belonging to the group Podocopida and the family Cytheridae. The type species is "Amphicytherura" tumida Dingle (1969); genus also includes "Amphicytherura" iniqua Holden (1964), "Amphicytherura" zululandensis Dingle (1980), "Amphicytherura" armatus Dingle (1981), "Amphicytherura" dinglei McKenzie et al. (1993) and "Amphicytherura" occulta Puckett & Colin in Puckett, Colin & Mitchell (2012).
Diogenes lessineus[36]	Sp. nov	Valid	Beschin, De Angeli & Zarantonello	Eocene		Italy	A crab belonging to the family Diogenidae.
Discoidella niculaei[57]	Sp. nov	Valid	Sebe in Sebe, Crasquin & Grădinaru	Middle Triassic (Anisian)		Romania	An ostracod belonging to the family Polycopidae.
Distefania lauginigeri[47]	Sp. nov	Valid	Feldmann et al.	Late Cretaceous (Campanian)		United States	A goniodromitid homolodromioid crab, a species of Distefania.
Enoploclytia tepeyacensis[58]	Sp. nov	Valid	Vega, Garassino & Zapata Jaime	Late Cretaceous (Campanian)		Mexico	An erymid, a species of Enoploclytia. Announced in 2013; validated in 2023.[59]
Eocytheropteron yoroensis[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Cytheruridae.
Eosestheria yaozhanensis[60]	Sp. nov	Valid	Wang	Late Jurassic	Dabeigou Formation	China	A clam shrimp, a species of Eosestheria.
Etyus makrochele[61]	Sp. nov	Valid	Feldmann, Schweitzer & Lehmann	Early Cretaceous (late Albian)		Germany	An etyiid crab, a species of Etyus.
Eumiraculum desmaresae[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian (Changhsingian)	Nagyvisnyó Limestone Formation	Hungary	An ostracod of uncertain affinities, a species of Cytherellina.
Eurotetralia[29]	Gen. et comb. nov	Valid	De Angeli & Ceccon	Eocene		Hungary Italy	A tetraliid trapezioid; a new genus for "Trapezia" loerenthey Müller (1975).
Fossocytheridea ballentae[25]	Sp. nov	Valid	Piovesan & Nicolaidis in Piovesan et al.	Cretaceous (Albian-Santonian)	Florianópólis Formation Itajaí-Açú Formation	Brazil	An ostracod belonging to the family Cytherideidae.
Fossocytheridea elegans[25]	Sp. nov	Valid	Piovesan & Nicolaidis in Piovesan et al.	Early Cretaceous (Albian)	Florianópólis Formation	Brazil	An ostracod belonging to the family Cytherideidae.
Gastrodorus kotoucensis[33]	Sp. nov	Valid	Fraaije et al.	Late Jurassic to Early Cretaceous (Tithonian to early Berriasian)	Štramberk Limestone	Czech Republic	A hermit crab, a member of Gastrodoridae; a species of Gastrodorus.
Gastrosacus aequabus[22]	Sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid, a species of Gastrosacus.
Gastrosacus levocardiacus[22]	Sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid, a species of Gastrosacus.
Gastrosacus limacurvus[22]	Sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid, a species of Gastrosacus.
Gastrosacus pisinnus[22]	Sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid, a species of Gastrosacus.
Gastrosacus torosus[22]	Sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid, a species of Gastrosacus.
Gaudipluma[62]	Gen. et sp. nov	Valid	Artal et al.	Eocene		Spain	A retroplumid crab. The type species is Gaudipluma bacamortensis.
Gifuaparchites[16]	Gen. et sp. nov	Valid	Tanaka & Maeda in Tanaka et al.	Middle Permian		Japan	An ostracod. The type species is Gifuaparchites takagii.
Gigacerina[27]	Gen. et comb. nov	Valid	Charbonnier et al.	Late Jurassic		France	A member of the family Glypheidae. Genus includes "Glyphea" saemanni Oppel (1861).	Gigacerina saemanni
Glyphea macromuscula[63]	Sp. nov	Valid	Feldmann & Schweitzer	Early Jurassic		United Kingdom	A glypheoid, a species of Glyphea.
Glypheopsis trouvillensis[27]	Sp. nov	Valid	Charbonnier et al.	Late Jurassic		France	A member of the family Glypheidae.
Glypheopsis voultensis[27]	Sp. nov	Valid	Charbonnier et al.	Middle Jurassic	La Voulte-sur-Rhône	France	A member of the family Glypheidae.
Glypturus persicus[64]	Sp. nov	Valid	Hyžný et al.	Middle-Late Miocene		Iran	A callianassid, a species of Glypturus.
Harbinia crepata[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, a species of Harbinia.
Harbinia dimorphica[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, a species of Harbinia.
Hardapestheria[65]	Gen. et sp. nov	Valid[66]	Stigall et al.	Early Jurassic	Kalkrand Formation	Namibia	An eosestheriid clam shrimp. The type species is Hardapestheria maxwelli.
Hazelina ? foundiougnensis[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Trachyleberididae.
Hemicycloleaia[40]	Gen. et sp. nov	Valid	Niu in Niu et al.	Late Permian	Taohaiyingzi Formation	China	A clam shrimp. The type species is Hemicycloleaia curtus.
Hemiparacytheridea sagittaemucronata[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Hermanites ? pustulosa[32]	Sp. nov	Valid	Sarr	Eocene		Mauritania Senegal	An ostracod belonging to the family Trachyleberididae.
Heterocypris collaris[44]	Sp. nov	Valid[45]	Matzke-Karasz et al.	Early Miocene (23–16 Ma)	Riversleigh	Australia	An ostracod, a species of Heterocypris.
Hollinella fengqinglaii[17]	Sp. nov	Valid	Crasquin in Forel et al.	Late Permian (Changhsingian)	Nagyvisnyó Limestone Formation	Hungary	A hollinellid ostracod, a species of Hollinella.
Housacheles[33]	Gen. et sp. nov	Valid	Fraaije et al.	Late Jurassic to Early Cretaceous (Tithonian to early Berriasian)	Štramberk Limestone	Czech Republic	A hermit crab, a member of Parapylochelidae. The type species is Housacheles timidus.
Hungarella gerennavarensis[17]	Sp. nov	Valid	Crasquin in Forel et al.	Early Triassic (Griesbachian)	Gerennavár Limestone Formation	Hungary	A healdiid ostracod, a species of Hungarella.
Joeranina colombiana[67]	Sp. nov	Valid	Bermúdez et al.	Early Cretaceous (middle Albian)		Colombia	A palaeocorystid decapod, a species of Joeranina.
Joeranina goshourajimensis[68]	Sp. nov	Valid	Karasawa & Komatsu	Early Cretaceous (late Albian)	Enokuchi Formation	Japan	A palaeocorystid raninoid crab, a species of Joeranina.
Joeranina houssineaui[69]	Sp. nov	Valid	Van Bakel	Late Cretaceous (Cenomanian)		France	A palaeocorystid decapod, a species of Joeranina.
Kellnerius[70]	Gen. et sp. nov	Valid	Santana et al.	Early Cretaceous (Albian)	Romualdo Formation	Brazil	A palaemonid. The type species is Kellnerius jamacaruensis.
Keslingiella? teresae[71]	Sp. nov	Valid	Salas, Rustán & Sterren	Devonian	Punta Negra Formation	Argentina South Africa?	An ostracod belonging to the group Podocopida and possibly to the family Quasillitidae.
Knebelia totoroi[72]	Sp. nov	Valid[73]	Audo et al.	Late Jurassic (late Kimmeridgian to early Tithonian)		Germany	An eryonid, a species of Knebelia.
Koskobilius[15]	Gen. et sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the group Majoidea and the family Priscinachidae. The type species is Koskobilius postangustus.
Laeviprosopon crassum[15]	Sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Prosopidae, a species of Laeviprosopon.
Laeviprosopon edoi[15]	Sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Prosopidae, a species of Laeviprosopon.
Laeviprosopon hispanicum[15]	Sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Prosopidae, a species of Laeviprosopon.
Laeviprosopon planum[15]	Sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the family Prosopidae, a species of Laeviprosopon.
Langdaia bullabalvanyensis[17]	Sp. nov	Valid	Crasquin in Forel et al.	Early Triassic		Hungary Italy	An ostracod, a species of Langdaia.
Lapazites trinodis[71]	Sp. nov	Valid	Salas, Rustán & Sterren	Devonian (Emsian)	Punta Negra Formation	Argentina	An ostracod belonging to the group Palaeocopida and the superfamily Kloedenelloidea.
Latheticocarcinus italicus[74]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A crab belonging to the family Homolidae.
Lessinilambrus[36]	Gen. et sp. nov	Valid	Beschin, De Angeli & Zarantonello	Eocene		Italy	A crab belonging to the family Parthenopidae. Genus includes new species L. paleogenicus.
Liuzhinia bankutensis[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian to Early Triassic		Hungary	An ostracod, a species of Liuzhinia.
Liuzhinia venninae[17]	Sp. nov	Valid	Forel in Forel et al.	Early Triassic (Griesbachian)	Gerennavár Limestone Formation	Hungary	An ostracod, a species of Liuzhinia.
Loxoconcha akrabouensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Loxoconcha ? ngolothiensis[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Loxoconchidae.
Meridecaris[75]	Gen. et sp. nov	Valid	Stockar & Garassino	Middle Triassic (Ladinian)	Meride Limestone	Switzerland	A clytiopsid decapod. The type species is Meridecaris ladinica.
Metahomarus[76]	Gen. et sp. nov	Valid	Franţescu	Early Cretaceous (Albian)	Pawpaw Shale	United States	A lobster. The type species is Metahomarus reidi.
Mexicania[77]	Gen. et sp. nov	Valid	Garassino et al.	Late Cretaceous (Cenomanian)	Sierra Madre Formation	Mexico	A member of Sicyoniidae. The type species is M. grijalvaensis.
Microcheilinella egerensis[17]	Sp. nov	Valid	Forel in Forel et al.	Early Triassic (Griesbachian)	Gerennavár Limestone Formation	Hungary	A pachydomellid ostracod, a species of Microcheilinella.
Moianella[78]	Gen. et sp. nov	Valid	Ossó & Domínguez	Late Eocene (Priabonian)		Spain	A crab, possibly a member of Cancroidea. The type species is Moianella cervantesi.
Mokaya[77]	Gen. et sp. nov	Valid	Garassino et al.	Late Cretaceous (Cenomanian)	Sierra Madre Formation	Mexico	A member of Sergestidae. The type species is M. changoensis.
Mongolitubulus aspermachaera[79]	Sp. nov	Valid	Topper et al.	Cambrian (Furongian)		Sweden	A mongolitubulid, a member of Bradoriida; a species of Mongolitubulus.
Nantocyclois[37]	Gen. et sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A calappid crab. The type species is Nantocyclois eocenicus.
Navarrara[15]	Gen. et sp. nov	Valid	Klompmaker	Early Cretaceous (late Albian)	Eguino Formation	Spain	A crab belonging to the group Glaessneropsoidea and the family Longodromitidae. The type species is Navarrara betsieae.
Nestoria donggouensis[60]	Sp. nov	Valid	Wang	Early Cretaceous	Qingshuihe Formation	China	A clam shrimp, a species of Nestoria.
Nestoria jungarensis[60]	Sp. nov	Valid	Wang	Early Cretaceous	Qingshuihe Formation	China	A clam shrimp, a species of Nestoria.
Nestoria shawanensis[60]	Sp. nov	Valid	Wang	Early Cretaceous	Qingshuihe Formation	China	A clam shrimp, a species of Nestoria.
Newnhamia mckenziana[44]	Sp. nov	Valid[45]	Matzke-Karasz et al.	Early Miocene (23–16 Ma)	Riversleigh	Australia	An ostracod, a species of Newnhamia.
Nigeroloxoconcha itanhaensis[25]	Sp. nov	Valid	Nicolaidis & Piovesan in Piovesan et al.	Late Cretaceous (Cenomanian)	Itanhaém Formation	Brazil	An ostracod belonging to the family Loxoconchidae.
Notopoides nantoensis[37]	Sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A raninid crab, a species of Notopoides.
Octoeurax[22]	Gen. et sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. The type species is Octoeurax acaresprora.
Ordonyia dabadibensis[19]	Sp. nov	Valid	Boukhary & Sharabi in Boukhary et al.	Paleocene		Egypt	An ostracod.
Orhomalus arpi[52]	Sp. nov	Valid	Schweigert et al.	Early Jurassic (late Toarcian)		Germany	A hermit crab, a species of Orhomalus.
Orhomalus dubrullei[52]	Sp. nov	Valid	Schweigert et al.	Early Jurassic (late Pliensbachian)		France	A hermit crab, a species of Orhomalus.
Orthonotacythere spinata[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Cytheruridae.
Oryctocaris[80]	Gen. et comb. nov	Valid[81]	Bergmann & Rust	Early Devonian		Germany	A phyllocarid; a new genus for "Nahecaris" balssi Broili (1930).
Paguritergites[82]	Gen. et sp. nov	Valid	Fraaije et al.	Early Cretaceous (late Albian)	Eguino Formation	Spain	A hermit crab, possibly a member of Paguridae. The type species is Paguritergites yvonnecooleae.
Palaeobenthesicymus[83]	gen. et comb nov	Valid	Audo & Charbonnier	Late Santonian	Sahel Alma Lagerstätte	Lebanon	A benthesicymid penaeoid, a new genus for "Penaeus" libanensis (Brocchi, 1875).
Palaeocypridina[57]	Gen. et 2 sp. nov	Valid	Crasquin in Sebe, Crasquin & Grădinaru	Middle Triassic (Anisian)		Romania	An ostracod belonging to the family Cypridinellidae. The type species is P. tulceaensis Sebe in Sebe, Crasquin & Grădinaru; genus also includes P. agighiolensis Sebe in Sebe, Crasquin & Grădinaru.
Palinurus veronicae[76]	Sp. nov	Valid	Franţescu	Early Cretaceous (Albian)	Pawpaw Shale	United States	A lobster, a species of Palinurus.
Panopeus bericus[37]	Sp. nov	Valid	Beschin, Busulini & Tessier	Eocene		Italy	A panopeid crab, a species of Panopeus.
Paracypria? elongata[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, possibly a species of Paracypria.
Paracypris eniotmetos[25]	Sp. nov	Valid	Nicolaidis & Piovesan in Piovesan et al.	Cretaceous (Albian-Santonian)	Florianópolis Formation Itanhaém Formation Juréia Formation São Mateus Formation	Brazil	An ostracod belonging to the family Candonidae.
Paraglyphea mistelgauensis[27]	Sp. nov	Valid	Charbonnier et al.	Early Jurassic		Germany	A member of the family Glypheidae.
Parallelogastrus[76]	Gen. et sp. nov	Valid	Franţescu	Early Cretaceous (Albian)	Pawpaw Shale	United States	A lobster. The type species is Parallelogastrus gabii.
Parapalaemonetes[23]	Gen. st sp. nov	Valid	Brandt & Schulz	Middle Triassic (Ladinian)	Meißner Formation	Germany	A member of the family Palaemonidae. The type species is P. thuringiacus.
Parapylochelitergites[82]	Gen. et sp. nov	Valid	Fraaije et al.	Early Cretaceous (late Albian)	Eguino Formation	Spain	A hermit crab, possibly a member of Parapylochelidae. The type species is Parapylochelitergites pustulosus.
Paratetralia sulcata[29]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A trapeziid trapezioid, a species of Paratetralia.
Parthenope chiampensis[36]	Sp. nov	Valid	Beschin, De Angeli & Zarantonello	Eocene		Italy	A crab belonging to the family Parthenopidae.
Pauline[84]	Gen. et sp. nov	Valid	Siveter et al.	Silurian	Wenlock Group	United Kingdom	A cylindroleberidid myodocope ostracod. The type species is Pauline avibella.
Pegomyrmekella[22]	Gen. et sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. The type species is Pegomyrmekella chaulia.
Philyra karkata[85]	Sp. nov	Valid	Rai et al.	Early Miocene	Khari Nadi Formation	India	A leucosiid crab, a species of Philyra.
Pircawayra[71]	Gen. et comb. et sp. nov	Valid	Salas, Rustán & Sterren	Devonian	Belén Formation Punta Negra Formation Talacasto Formation	Argentina Bolivia South Africa?	An ostracod belonging to the group Palaeocopida and the superfamily Kloedenelloidea. The type species is "Pinnatulites"? peregrina Přibyl (1984); genus also includes new species P. gigantea.
Planocarcinus johnjagti[67]	Sp. nov	Valid	Bermúdez et al.	Early Cretaceous (late Aptian)		Colombia	A necrocarcinid raninoid crab, a species of Planocarcinus.
Pokornyella lagandongi[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Hemicytheridae.
Polzicaris[86]	Gen. et comb. nov	Valid	Haug et al.	Late Cretaceous (Santonian)		Lebanon	A member of Achelata; a new genus for "Eryoneicus" sahelalmae Roger (1944).
Pontocypris tadighoustensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Poupelicaris[87]	Gen. et sp. nov	Valid	Racheboeuf & Gourvennec	Devonian (Lochkovian)		Bolivia	A member of Phyllocarida. The type species is Poupelicaris elegans.
Praemonoleaia[40]	Gen. et 6 sp. nov	Valid	Niu in Niu et al.	Late Permian	Taohaiyingzi Formation	China	A clam shrimp. Genus contains species Praemonoleaia ampulliformis, P. elliptica, P. oblonga, P. ovalis, P. rotunda and P. subtriangularis.
Procytherura? elongatissima[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Protobuntonia baolensis[32]	Sp. nov	Valid	Sarr	Paleocene (Selandian-Thanetian)		Senegal	An ostracod belonging to the family Trachyleberididae.
Puriana sokonensis[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Trachyleberididae.
Pylochelitergites alatus[82]	Sp. nov	Valid	Fraaije et al.	Early Cretaceous (late Albian)	Eguino Formation	Spain	A hermit crab, possibly a member of Pylochelidae; a species of Pylochelitergites.
Pylochelitergites rugosus[82]	Sp. nov	Valid	Fraaije et al.	Early Cretaceous (late Albian)	Eguino Formation	Spain	A hermit crab, possibly a member of Pylochelidae; a species of Pylochelitergites.
Pylochelitergites stramberkensis[33]	Sp. nov	Valid	Fraaije et al.	Late Jurassic to Early Cretaceous (Tithonian to early Berriasian)	Štramberk Limestone	Czech Republic	A hermit crab, possibly a member of Pylochelidae; a species of Pylochelitergites.
Rathbunassa[67]	Gen. et comb. nov	Valid	Hyžný in Bermúdez et al.	Early Cretaceous		Colombia United States	A callianassid decapod, a new genus for "Callianassa" aquilae Rathbun (1935).
Rectaglyphea[27]	Gen. et sp. nov	Valid	Charbonnier et al.	Cretaceous		United Kingdom	A member of the family Glypheidae. Genus includes new species R. howardae.
Rehacythereis errachidiaensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Rehacythereis zizensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Reviya praecurukensis[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian (Changhsingian)	Nagyvisnyó Limestone Formation	Hungary Serbia?	A kirkbyid ostracod, a species of Reviya.
Rolerithosia[88]	Gen. et sp. nov	Valid	Collins, Villier & Breton	Late Cretaceous (Cenomanian)		France	An etyiid crab. The type species is Rolerithosia lobulata.
Rosacythere denticulata[89]	Sp. nov	Valid	Tibert et al.	Early Cretaceous	Escucha Formation	Spain	An ostracod.
Rosagammarus[90]	Gen. et sp. nov	Valid	McMenamin, Zapata & Hussey	Late Triassic (Norian)	Luning Formation	United States	Originally interpreted as an amphipod;[90] the holotype specimen was subsequently reinterpreted as the right half of a decapod tail of uncertain taxonomic affinity.[91][92] The type species is Rosagammarus minichiellus.
Scalpellum carentanensis[30]	Sp. nov	Valid	Carriol	Pliocene		France	A barnacle, a species of Scalpellum.
Schernfeldia[93]	Gen. et sp. nov	Valid	Winkler	Late Jurassic (early Tithonian)	Eichstätt Formation	Germany	An acratiid caridean shrimp of uncertain phylogenetic placement. The type species is Schernfeldia schweigerti.
Schizocythere wiedmanni[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Schizocytheridae.
Schobertella[52]	Gen. et 2 sp. nov	Valid	Schweigert et al.	Early Jurassic (late Hettangian to late Pliensbachian)		Germany	A hermit crab. Genus contains species Schobertella simonsenetlangi and Schobertella hoelderi.
Scyllarella adinae[76]	Sp. nov	Valid	Franţescu	Early Cretaceous (Albian)	Pawpaw Shale	United States	A lobster, a species of Scyllarella.
Seorsus kauffmani[47]	Sp. nov	Valid	Feldmann et al.	Late Cretaceous (Turonian)	Mancos Shale	United States	A dakoticancroid crab. Originally described as a species of Seorsus, but subsequently transferred to the genus Synoriacarcinus.[94]
Serrablopluma[62]	Gen. et sp. nov	Valid	Artal et al.	Eocene		Spain	A retroplumid crab. The type species is Serrablopluma diminuta.
Shemonaella? olempskaella[17]	Sp. nov	Valid	Forel in Forel et al.	Late Permian (Changhsingian)	Nagyvisnyó Limestone Formation	Hungary	A paraparchitid ostracod, a possible species of Shemonaella.
Shiheziestheria[60]	Gen. et sp. nov	Valid	Wang	Early Cretaceous	Qingshuihe Formation	China	A clam shrimp. The type species is Shiheziestheria pangi.
Shipingia weemsi[95]	Sp. nov	Valid	Kozur, Franz & Bachmann	Late Triassic (late Carnian to early Norian)	Arnstadt Formation Weser Formation	Germany	A clam shrimp, a species of Shipingia.
Soleryon[53]	Gen. et 2 sp. et comb. nov	Valid[54]	Audo et al.	Middle[96] and Late Jurassic		France Germany	An eryonid. Genus contains two new species: Soleryon amicalis and S. schorri, as well as "Eryon" perroni Étallon (1859) and "Eryon" giganteus Van Straelen (1923).[96]
Spinogriphus[97]	Gen. et sp. nov	Valid	Jaume, Pinardo-Moya & Boxshall	Early Cretaceous (late Barremian)		Spain	An acadiocaridid, a member of Spelaeogriphacea. The type species is Spinogriphus ibericus.
Squilla taulinanus[98]	Sp. nov	Valid	Ahyong, Charbonnier & Garassino	Miocene (Burdigalian)		France	A squillid mantis shrimp, a species of Squilla.
Stenodactylina rogerfurzei[99]	Sp. nov	Valid	Schweigert	Middle Jurassic (late Aalenian)		Germany	An erymid decapod, a species of Stenodactylina.
Systenobythere[100]	Gen. et sp. nov	Valid	Warne & Whatley	Late Miocene		Australia	An ostracod. The type species is Systenobythere archboldi.
Tanidromites maerteni[101]	Sp. nov	Valid	Fraaije et al.	Middle Jurassic (Bajocian)		France	A tanidromitid crab, a relative of homolodromiids; a species of Tanidromites. Announced in 2013; validated in 2023.[102]
Tetralia vicetina[29]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A tetraliid trapezioid, a species of Tetralia.
Theriosynoecum arinnoensis[89]	Sp. nov	Valid	Tibert et al.	Early Cretaceous	Escucha Formation	Spain	An ostracod.
Theriosynoecum colini[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, a species of Theriosynoecum.
Theriosynoecum escuchaensis[89]	Sp. nov	Valid	Tibert et al.	Early Cretaceous	Escucha Formation	Spain	An ostracod.
Theriosynoecum guzzoi[39]	Sp. nov	Valid	Do Carmo et al.	Early Cretaceous (Aptian)	Alagamar Formation	Brazil	An ostracod, a species of Theriosynoecum.
Tzeltalpenaeus[77]	Gen. et sp. nov	Valid	Garassino et al.	Late Cretaceous (Cenomanian)	Sierra Madre Formation	Mexico	A member of Penaeidae. The type species is T. exilichelatus.
Upogebia aronae[103]	Sp. nov	Valid	Haug, Nyborg & Vega	Middle Eocene	Santiago Formation	United States	A member of Upogebiidae, a species of Upogebia.
Urocythereis castelaini[32]	Sp. nov	Valid	Sarr	Paleocene (Thanetian)		Senegal	An ostracod belonging to the family Hemicytheridae.
Urocythereis sinesaloumensis[32]	Sp. nov	Valid	Sarr	Paleocene-Eocene (Thanetian-Ypresian)		Senegal	An ostracod belonging to the family Hemicytheridae.
Uromuellerina guiraudi[32]	Sp. nov	Valid	Sarr	Eocene (Ypresian-Lutetian)		Senegal	An ostracod belonging to the family Hemicytheridae.
Veenia (Nigeria) mediacostarobusta[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Veenia (Nigeria) tardaensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Vetoplautus[22]	Gen. et sp. nov	Valid	Robins, Feldmann & Schweitzer	Late Jurassic (Tithonian)	Ernstbrunn Limestone	Austria	A munidopsid galatheoid. The type species is Vetoplautus latimarginus.
Wrangelleryon[104]	Gen. et sp. nov	Valid	Feldmann, Schweitzer & Haggart	Early Jurassic (Hettangian)	Sandilands Formation	Canada	An eryonid. The type species is Wrangelleryon perates.
Xestoleberis circinatus[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Xestoleberis? preafricanensis[34]	Sp. nov	Valid	Andreu et al.	Late Cretaceous		Morocco	An ostracod.
Zoquepenaeus[77]	Gen. et sp. nov	Valid	Garassino et al.	Late Cretaceous (Cenomanian)	Sierra Madre Formation	Mexico	A member of Penaeidae. The type species is Z. spinirostratus.
Zygastrocarcinus carolinasensis[105]	Sp. nov	Valid	Klompmaker, Flores-Ventura & Vega	Late Cretaceous (late Campanian)	Cerro del Pueblo Formation	Mexico	A homolid crab, a species of Zygastrocarcinus.

Insects

Main article: 2013 in paleoentomology

Trilobites

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Acanthopyge (Belenopyge) estevei[106]	Sp. nov	Valid	Corbacho & Kier	Devonian (Pragian)	Ihandar Formation	Morocco	A member of Lichida belonging to the family Lichidae, a species of Acanthopyge.
Acastava? lerougei[107]	Sp. nov	Valid	Van Viersen	Devonian	Riviere Formation	Belgium
Adelogonus oblongus[108]	Sp. nov	Valid	Lin et al.	Cambrian	Liudaogou Group	China	A polymerid trilobite belonging to the family Proasaphiscidae, a species of Adelogonus.
Akantharges mbareki[109]	Sp. nov	Valid	Corbacho & López-Soriano	Devonian (Eifelian)		Morocco	A member of Lichida belonging to the family Lichidae, a species of Akantharges.
Basseiarges[109]	Gen. et sp. nov	Disputed	Corbacho & López-Soriano	Devonian (Eifelian)		Morocco	A member of Lichida belonging to the family Lichidae. The type species is Basseiarges mellishae. Van Viersen (2021) considered Basseiarges to be a junior synonym of the genus Akantharges.[110]
Bathyurellus diclementsae[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Bathyurellus.
Bolbocephalus gunnari[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Bolbocephalus.
Bolbochasmops kaskovoensis[112]	Sp. nov	Valid	Krueger	Ordovician		Russia	A member of the family Pterygometopidae.
Cambrunicornia? jafnaensis[113]	Sp. nov	Valid	Elicki & Geyer	Cambrian		Jordan	A protolenine ellipsocephalid, possibly a species of Cambrunicornia.
Canningbole[114]	Gen. et 3 sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida. The type species is Canningbole latimargo; genus also contains C. henwoodorum and C. macromma.
Catochia hinlopensis[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Catochia.
Ceraurinus zhuzhaiensis[115]	sp nov	Valid	Lee	Late Ordovician	Xiazhen Formation	China	A cheirurid, a species of Ceraurinus.
Chapmanopyge[111]	Nom. nov	Valid	Fortey & Bruton	Ordovician		Greenland Norway United States	A bathyurid proetid; a replacement name for Chapmania Loch (2007).
Chattiaspis? budili[116]	Sp. nov	Valid	Corbacho & López-Soriano	Ordovician (early Katian)	Ktaoua Formation	Morocco	A member of Dalmanitidae, possibly a species of Chattiaspis.
Chlupaciparia (Australoparia)[114]	Subgen. et 2 sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida, a subgenus of Chlupaciparia. The type species is Chlupaciparia (Australoparia) australis; genus also contains C. (Australoparia) lata.
Chlupaciparia (Chlupaciparia) planiops[114]	Sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida, a species of Chlupaciparia.
Cirriticeps[117]	Gen. et sp. et comb. nov	Valid	Holloway	Silurian		Australia	A member of Proetida belonging to the family Tropidocoryphidae. The type species is C. auranticum; genus also includes "Proetus" rattei Etheridge & Mitchell (1891).
Dianops algeriensis[118]	Sp. nov	Valid	Crônier et al.	Devonian (Famennian)	‘Argiles de Marhouma’ Formation	Algeria	A member of Phacopidae.
Eurysymphysurina[111]	Gen. et sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A symphysurinid cyclopygoid member of Asaphida. The type species is Eurysymphysurina spora.
Gabriellus kierorum[119]	Sp. nov	Valid	Corbacho & López-Soriano	Early Cambrian	Rosella Formation	Canada	A member of Redlichiida belonging to the family Judomiidae, a species of Gabriellus.
Gandlops[120]	Gen. et comb. nov	Valid[121]	Bignon & Crônier	Devonian (Emsian)		France Morocco Spain	An asteropygine phacopidan, a new genus for "Kayserops" brevispinosus Gandl (1972). Genus also contains Gandlops ogivalis (Morzadec, 1976), G. palenciae (Smeenk, 1983) and G. tamnrherta (Chatterton et al., 2006).
Harlandaspis[111]	Gen. et sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid. The type species is Harlandaspis elongata.
Heliopyge sohensis[122]	Sp. nov	Valid	Ghobadi Pour in Ghobadi Pour et al.	Devonian (Frasnian)		Iran	A member of Phacopida belonging to the family Acastidae.
Hibbertia aodiensis[115]	sp nov	Valid	Lee	Late Ordovician	Xiazhen Formation	China	A harpetid, a species of Hibbertia.
Illaenus (Parillaenus) primoticus[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	An illaenid corynexochid, a species of Illaenus.
Issalia[113]	Gen. et sp. nov	Valid	Elicki & Geyer	Cambrian		Jordan	An ellipsocephaline ellipsocephalid. The type species is Issalia scutalis.
Jaylopygiella debruni[107]	Sp. nov	Valid	Van Viersen	Devonian	Riviere Formation	Belgium	A member of Acastidae.
Jeffersonia striagena[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Jeffersonia.
Jeffersonia viator[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Jeffersonia.
Lachnostoma platypyga[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	An asaphid, a species of Lachnostoma.
Leiostegium spongiosum[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A leiostegiid corynexochid, a species of Leiostegium.
Linguaphillipsia simekuhensis[123]	Sp. nov	Valid	Hahn, Müller & Aghababalou	Carboniferous (Tournaisian)	Mobarak Formation	Iran	A member of Phillipsiidae, a species of Linguaphillipsia.
Meteoraspis qinghaiensis[108]	Sp. nov	Valid	Lin et al.	Cambrian	Liudaogou Group	China	A polymerid trilobite belonging to the family Crepicephalidae, a species of Meteoraspis.
Minicryphaeus[120]	Gen. et comb. nov	Valid[121]	Bignon & Crônier	Devonian (Pragian)		Morocco	An asteropygine phacopidan, a new genus for "Pseudocryphaeus" minimus Morzadec (2001). Genus also contains Minicryphaeus quarterspinosus (Morzadec, 2001) and M. sarirus (Morzadec, 2001)
Morzadecops[120]	Gen. et comb. nov	Disputed	Bignon & Crônier	Devonian (middle Pragian to early Emsian)		Morocco Spain	An asteropygine phacopidan, a new genus for "Pilletina" zguidensis Morzadec (2001). Genus also contains Morzadecops matutina (Gandl, 1972). The genus Morzadecops was considered to be a junior synonym of the genus Feruminops by Van Viersen & Kloc (2022).[124]
Myopsolenites hyperion[113]	Sp. nov	Valid	Elicki & Geyer	Cambrian		Jordan	A bathynotid, a species of Myopsolenites.
Pagetides johannis[125]	Sp. nov	Valid	Fletcher & Greene	Cambrian	Young's Cove Formation	Canada	A species of Pagetides.
Palpebralia initialis[114]	Sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida, a species of Palpebralia.
Palpebralia pustulata[114]	Sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida, a species of Palpebralia.
Palpebralina[114]	Gen. et 3 sp. et comb. nov	Valid	Feist & McNamara	Late Devonian		Australia France	A member of Proetida. The type species is Palpebralina pseudopalpebralis; genus also contains new species P. minor and P. ocellifer, as well as "Palpebralia" palpebralis globoculata Feist in Feist and Schindler, 1994 (raised by Feist and McNamara to the rank of a separate species Palpebralina globoculata) and "Palpebralia" latepalpebralis Feist in Feist and Schindler (1994).
Paranomocarella dingmaoshanensis[108]	Sp. nov	Valid	Lin et al.	Cambrian	Liudaogou Group	China	A polymerid trilobite belonging to the family Anomocarellidae, a species of Paranomocarella.
Parvilichas[126]	Gen. et sp. nov	Valid	Corbacho & Vela	Ordovician (Floian)	Fezouata Formation	Morocco	A member of Lichida belonging to the family Lichidae. The type species is Parvilichas marochii.
Peltabellia glabra[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Peltabellia.
Pennarbedops[120]	Gen. et comb. nov	Valid[121]	Bignon & Crônier	Devonian (late Emsian)		France Spain	An asteropygine phacopidan, a new genus for "Rhenops" babini Morzadec (1983). Genus also contains Pennarbedops circumapodemus (Smeenk, 1983). The genus Pennardbedops was considered to be a junior synonym of the genus Hollardops by Van Viersen & Kloc (2022).[124]
Phacops tamtertensis[118]	Sp. nov	Valid	Crônier et al.	Devonian (Famennian)	‘Argiles de Marhouma’ Formation	Algeria	A member of Phacopidae.
Phacops zeregensis[118]	Sp. nov	Valid	Crônier et al.	Devonian (Famennian)	‘Argiles de Marhouma’ Formation	Algeria	A member of Phacopidae.
Phaseolops? bobowensi[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A member of Proetidae, possibly a species of Phaseolops.
Placosema qinghaiense[108]	Sp. nov	Valid	Lin et al.	Cambrian	Liudaogou Group	China	A polymerid trilobite belonging to the family Catillicephalidae, a species of Placosema.
Pliomerina tashanensis[115]	sp nov	Valid	Lee	Late Ordovician	Xiazhen Formation	China	A pliomerid, a species of Pliomerina.
Pteroparia extrema[114]	Sp. nov	Valid	Feist & McNamara	Late Devonian	Virgin Hills Formation	Australia	A member of Proetida, a species of Pteroparia.
Punka latissima[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Punka.
Raymondaspis? pingpong[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A styginid corynexochid, possibly a species of Raymondaspis.
Remopleurides xiazhenensis[115]	sp nov	Valid	Lee	Late Ordovician	Xiazhen Formation	China	A remopleurid, a species of Remopleurides.
Rhenogriffides alborzensis[123]	Sp. nov	Valid	Hahn, Müller & Aghababalou	Carboniferous (Tournaisian)	Mobarak Formation	Iran	A member of Phillipsiidae, a species of Rhenogriffides.
Rudybole[114]	Gen. et comb. et sp. nov	Valid	Feist & McNamara	Late Devonian		Australia France	A member of Proetida. A new genus for "Drevermannia" brecciae Richter (1913); genus also contains "Drevermannia" adorfensis Richter (1913), "Drevermannia" nodannulata Richter (1913), "Palpebralia" nodannulata concava Feist in Feist and Schindler, 1994 (raised by Feist and McNamara to the rank of a separate species Rudybole concava) and a new species Rudybole depressa.
Scopelochasmops mukranensis[112]	Sp. nov	Valid	Krueger	Ordovician		Germany	A member of the family Pterygometopidae.
Scopelochasmops praewrangeli[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Shabanovia[127]	Nom. nov	Valid	Doweld	Middle Cambrian		Russia	An alokistocarid; a replacement name for Furia Egorova and Shabanov (1987).
Svalbardicurus[111]	Gen. et sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A hystricurid aulacopleurid. The type species is Svalbardicurus delicatus.
Tangshanaspis silveri[128]	Sp. nov	Valid	Westrop	Late Cambrian (Furongian)	Signal Mountain Formation	United States	A member of Missisquoiidae, a species of Tangshanaspis.
Tayanaspis[113]	Gen. et sp. nov	Valid	Elicki & Geyer	Cambrian		Jordan	An ellipsocephaline ellipsocephalid. The type species is Tayanaspis bulbosus.
Toxochasmops (Toxochasmops) luebzensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Toxochasmops (Toxochasmops) praewesenbergensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Trimerocephalus chopini[129]	Sp nov	Valid	Kin & Błażejowski	Late Devonian (Early Famennian)		Poland	A phacopid, a species of Trimerocephalus.
Uhaymiria[113]	Gen. et sp. nov	Valid	Elicki & Geyer	Cambrian		Jordan	An ellipsocephaline ellipsocephalid. The type species is Uhaymiria glabra.
Uromystrum drepanon[111]	Sp. nov	Valid	Fortey & Bruton	Early Ordovician	Kirtonryggen Formation	Norway	A bathyurid proetid, a species of Uromystrum.
Valdariops porkuniensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Valdariops postnybiensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Valdariops ruegensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Valdariops scheffelae[112]	Sp. nov	Valid	Krueger	Ordovician		Germany	A member of the family Pterygometopidae.
Valdariops schneideri[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Valdariops vierradensis[112]	Sp. nov	Valid	Krueger	Ordovician		Europe	A member of the family Pterygometopidae.
Vietnamia yushanensis[115]	sp nov	Valid	Lee	Late Ordovician	Xiazhen Formation	China	A calymenid, a species of Vietnamia.
Zhifangia damghanensis[123]	Sp. nov	Valid	Hahn, Müller & Aghababalou	Carboniferous (Tournaisian)	Mobarak Formation	Iran	A member of Proetidae. Originally described as a species of Zhifangia;[123] subsequently transferred to the genus Pudoproetus by Müller & Hahn (2015).[130]

Others

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Adelophthalmus piussii[131]	Sp. nov	Valid	Lamsdell, Simonetto & Selden	Late Carboniferous		Italy	A eurypterid, a species of Adelophthalmus.
Aglaspella sanduensis[132]	Sp. nov	Valid	Lerosey-Aubril, Ortega-Hernández & Zhu	Cambrian (Furongian)	Sandu Formation	China	A member of Aglaspidida, a species of Aglaspella.
Arthroaspis[133]	Gen. et sp. nov	Valid	Stein et al.	Cambrian (Montezuman)	Sirius Passet Lagerstätte	Greenland	An arthropod of uncertain phylogenetic placement, probably a relative of trilobites. The type species is Arthroaspis bergstroemi.
Austromarrella[134]	Gen. et sp.	Valid	Haug et al.	Cambrian (Late Templetonian to Early Floran)	Monastery Creek Phosphorite Formation	Australia	A marrellomorph. The type species is Austromarrella klausmuelleri.
Dvulikiaspis[135]	Gen. et comb. nov	Valid[136]	Marshall et al.	Early Devonian (Lochkovian)		Russia	A member of Chasmataspidida, a new genus for "Tylopterella" menneri (initially thought to be a eurypterid).
Hesselbonia[132]	Gen. et comb. nov	Valid	Lerosey-Aubril, Ortega-Hernández & Zhu	Late Cambrian	St Lawrence Formation	United States	A member of Aglaspidida, a new genus for "Aglaspella" eatoni.
Kachinophilus[137]	Gen. et sp. nov	Valid[138]	Bonato, Edgecombe & Minelli	Late Cretaceous (earliest Cenomanian)		Myanmar	A geophilomorph centipede found in Burmese amber. The type species is Kachinophilus pereirai.
Kasibelinurus yueya[139]	Sp. nov	Valid	Lamsdell, Xue & Selden	Early Devonian (Lochkovian)	Xiaxishancun Formation	China	Originally classified as a kasibelinurid xiphosuran and a species of Kasibelinurus;[139] Selden, Lamsdell & Qi (2015) reinterpreted it as a chelicerate belonging to the lineage that branched from the main euchelicerate lineage prior to the divergence of Eurypterida, Arachnida and Chasmataspidida and made it the type species of a separate genus Houia.[140]
Kootenichela[141]	Gen. et sp. nov	Valid	Legg	Middle Cambrian	Stephen Formation	Canada	A member of paraphyletic "Megacheira" closely related to Worthenella. The type species is Kootenichela deppi. Later study considered this species to be chimera.[142]
Loricicaris[143]	Gen. et sp. nov	Valid[144]	Legg & Caron	Cambrian	Burgess Shale	Canada	A basal, bivalved arthropod. The type species is Loricicaris spinocaudatus.
Nahlyostaspis[135]	Gen. et sp. nov	Valid[136]	Marshall et al.	Early Devonian (Lochkovian)		Russia	A member of Chasmataspidida. The type species is Nahlyostaspis bergstroemi.
Nereocaris briggsi[143]	Sp. nov	Valid[144]	Legg & Caron	Cambrian	Burgess Shale	Canada	A basal, bivalved arthropod; a species of Nereocaris.
Norikeya[145]	Gen. et sp. nov	Valid	Tanaka, Siveter & Williams	Early Devonian		Japan	A bivalved arthropod of uncertain phylogenetic placement. The type species is Norikeya onoi.
Palaeomarachne[146]	Gen. et sp. nov	Valid	Rudkin et al.	Late Ordovician	William Lake Konservat-Lagerstätte	Canada	A sea spider. The type species is Palaeomarachne granulata.
Paraeurypterus[147]	Gen. et sp. nov	Valid	Lamsdell, Hoşgör & Selden	Upper Ordovician	Şort Tepe Formation	Turkey	A eurypterid. The type species is Paraeurypterus anatoliensis.
Parastemmiulus[148]	Gen. et sp. nov	Valid	Riquelme et al.	Miocene		Mexico	A stemmiulid millipede. The type species is Parastemmiulus elektron.
Pentapantopus[149]	Gen. et sp. nov	Valid	Kühl, Poschmann & Rust	Early Devonian		Germany	A sea spider. The type species is Pentapantopus vogteli.
Pentlandopterus[147]	Gen. et comb. nov	Valid	Lamsdell, Hoşgör & Selden	Silurian		United Kingdom	A eurypterid; a new genus for "Eurypterus" minor Laurie (1899).
Sinoleperditia (Sinoleperditia) tongvaiensis[150]	Sp. nov	Valid	Wang	Early Devonian	Khao Loc Formation	Vietnam	A member of Leperditicopida (a group of arthropods of uncertain affinities, classified as ostracods or excluded from this group by different authors), a species of Sinoleperditia.
Skrytyaspis[135]	Gen. et sp. nov	Valid[136]	Marshall et al.	Early Devonian (Lochkovian)		Russia	A member of Chasmataspidida. The type species is Skrytyaspis andersoni.
Strobilopterus proteus[151]	Sp. nov	Valid	Lamsdell & Selden	Devonian (Pragian)	Beartooth Butte Formation	United States	A eurypterid, a species of Strobilopterus.
Tremaglaspis vanroyi[152]	Sp. nov	Valid	Lerosey-Aubril et al.	Cambrian (Guzhangian)	Weeks Formation	United States	A member of Aglaspidida, a species of Tremaglaspis.