2009 in arthropod paleontology

This list of fossil arthropods described in 2009 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods that were described during the year 2009, as well as other significant discoveries and events related to arthropod paleontology that occurred that year.

Radiodonts

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Schinderhannes[1]	gen et sp nov	Valid	Kühl, Briggs, & Rust	Lower Devonian	Hunsrück Slate	Germany

Arachnids

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Palaeoperenethis[2]	Gen. et sp. nov	Valid	Selden & Penney	Eocene Ypresian	Okanagan Highlands Horsefly Shales	Canada British Columbia	A pisaurid fishing spider

Crustaceans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Chabardella[3]	Gen. et sp. nov	Valid	Racheboeuf, Schram & Vidal	Late Carboniferous Stephanian	Montceau-les-Mines	France	A mantis shrimp, type species is C. spinosa
Sottyella[3]	Gen. et sp. nov	Valid	Racheboeuf, Schram & Vidal	Late Carboniferous Stephanian	Montceau-les-Mines	France	A phreatoicidean isopod, type species is S. montcellensis

Insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Agulla mineralensis[4]	sp nov	Valid	Engel	Late Barstovian	Stewart Valley Group	USA	only described Neogene snakefly fossil
Allorapisma[5]	gen et sp nov	Valid	Makarkin & Archibald	Ypresian	Tom Thumb Tuff member Klondike Mountain Formation	USA		Allorapisma chuorum
Apis (Cascapis) nearctica[6]	sp nov	Valid	Engel, Hinojosa-Diaz, & Rasnitsyn	Middle Miocene		USA	The first fossil Apis from North America.
Aspidopleura[7]	gen et sp nov	Valid	Gibson	Eocene	Baltic amber	Europe	A Eupelmid wasp	Aspidopleura baltica
Brevivulva[7]	gen et sp nov	Valid	Gibson	Eocene	Baltic amber	Europe	A Eupelmid wasp	Brevivulva electroma
Cimbrophlebia brooksi[8]	sp nov	Valid	Archibald	Ypresian	Tom Thumb Tuff member Klondike Mountain Formation	USA	A Cimbrophlebiid scorpionfly
Cimbrophlebia flabelliformis[8]	sp nov	Valid	Archibald	Ypresian	McAbee Fossil Beds	Canada	A mecopteran
Cimbrophlebia leahyi[8]	sp nov	Valid	Archibald	Ypresian	McAbee Fossil Beds	Canada	A mecopteran
Cimbrophlebia westae[8]	sp nov	Valid	Archibald	Ypresian	Tom Thumb Tuff member Klondike Mountain Formation	USA	A mecopteran
Ctenobethylus oblongiceps[9]	comb nov	Jr synonym	(Wheeler, 1915)	Lutetian	Baltic amber	Russia	Fossil Dolichoderine ant. Moved from Iridomyrmex oblongiceps to Eldermyrmex oblongiceps in 2011.	Eldermyrmex oblongiceps
Denaeaspis[10]	gen et sp nov	valid	Chaboo & Engel	Eocene Bridgerian	Green River Formation Parachute Creek Member	USA Colorado	An Imatidiini tribe Cassidine tortoise beetle. The type species is D. chelonopsis
Eosacantha[10]	gen et sp nov	valid	Chaboo & Engel	Eocene Bridgerian	Green River Formation Parachute Creek Member	USA Colorado	An Imatidiini tribe Cassidine tortoise beetle. The type species is E. delocranioides
Gesomyrmex germanicus[11]	sp nov	Valid	Dlussky, Wappler, & Wedmann	Lutetian	Eckfeld Maar	Germany	A Formicinae ant	Gesomyrmex germanicus
Gesomyrmex pulcher[11]	sp nov	Valid	Dlussky, Wappler, & Wedmann	Lutetian	Messel Formation	Germany	A Formicinae ant	Gesomyrmex pulcher
Leptofoenus pittfieldae[12]	sp nov	Valid	Engel	Burdigalian	Dominican amber	Dominican Republic	A Pteromalid wasp	Leptofoenus pittfieldae
Metapelma archetypon[7]	sp nov	Valid	Gibson	Eocene	Baltic amber	Europe	A Eupelmid wasp	Metapelma archetypon
Neanaperiallus[7]	gen et sp nov	Valid	Gibson	Eocene	Baltic amber	Europe	A Eupelmid wasp	Neanaperiallus masneri
Nesagapostemon[13]	gen et sp nov	Valid	Engel	Burdigalian	Dominican amber	Dominican Republic	A Halictid bee	Nesagapostemon moronei
Nymphes georgei[14]	sp nov	Valid	Archibald, Makarkin, & Ansorge	Ypresian	Tom Thumb Tuff member Klondike Mountain Formation	USA	A Nymphid neuropteran	Nymphes georgei
Oligochlora semirugosa[13]	sp nov	Valid	Engel	Burdigalian	Dominican amber	Dominican Republic	A Halictid bee	Oligochlora semirugosa
Paleohabropoda[15]	Gen et sp nov	valid	Michez & Ramont	Thanetian	Menat Formation	France	An anthophorine bee	Paleohabropoda oudardi
Paratrechina pygmaea[16]	Comb nov	Jr synonym	(Mayr)	Middle Eocene	European amber	Europe	A formicine ant, new combination for Prenolepis pygmaea; jr synonym of Nylanderia pygmaea	Nylanderia pygmaea
Principiala rudgwickensis[17]	sp nov	valid	Jepson, Makarkin, & Jarzembowski	Barremian	Upper Weald Clay	England	An Ithonidae lacewing, a second species of Principiala
Proceratium eocenicum[18]	Sp nov	Valid	Dlussky	Late Eocene	Baltic amber	Russia	A ponerine ant	Proceratium eocenicum
Pronymphes hoffeinsorum[14]	Sp nov	Valid	Archibald, Makarkin, Ansorge	Priabonian	Baltic amber	Russia	A Nymphid neuropteran
Protomyrmica[19]	Gen et sp nov	valid	Dlussky & Radchenko	Priabonian	Baltic amber	Russia	A myrmicine ant	Protomyrmica atavia
Termitaradus mitnicki[20]	sp nov	Valid	Engel	Burdigalian	Dominican amber	Dominican Republic	A termite bug	Termitaradus mitnicki
Tetraponera groehni[18]	sp nov	Valid	Dlussky	Pribonian	Baltic amber	Russia	A Pseudomyrmecine ant	Tetraponera groehni

Trilobites

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Alperillaenus[21]	Gen. et sp. nov	Valid	Pour, Popov & Vinogradova	Ordovician (Darriwilian)		Kazakhstan	A member of the family Illaenidae. Genus includes new species A. intermedius.
Ammagnostus antarcticus[22]	Sp. nov	Valid	Bentley, Jago & Cooper	Cambrian	Goyder Formation[23] Spurs Formation	Antarctica Australia[23]
Asaphellus stubbsi[24]	Sp. nov	Valid	Fortey	Ordovician (Tremadocian)	Fezouata Formation	Morocco
Bhargavia[25]	Gen. et sp. et comb. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India United States	A member of the family Ellipsocephalidae. The type species is B. prakritika; genus also includes "Syspacephalus" obscurus Palmer and Halley (1979).
Bienvillia chaya[26]	Sp. nov	Valid	Waisfeld & Vaccari	Ordovician (Floian)	Suri Formation	Argentina
Catillicephalina[22]	Gen. et comb. nov	Valid	Bentley, Jago & Cooper	Cambrian	Spurs Formation	Antarctica	A new genus for "Catillicephala" glasgowensis Jago & Cooper (2005).
Damiraspis[21]	Gen. et sp. nov	Valid	Pour, Popov & Vinogradova	Ordovician (Darriwilian)		Kazakhstan	An asaphid trilobite. Genus includes new species D. margiana.
Degamella lingulata[27]	Sp. nov	Valid	Zhou & Zhou	Ordovician	Pagoda Formation	China	A member of the family Cyclopygidae.
Dividuagnostus tortelloi[26]	Sp. nov	Valid	Waisfeld & Vaccari	Ordovician (Floian)	Suri Formation	Argentina
Doremataspis contracta[22]	Sp. nov	Valid	Bentley, Jago & Cooper	Cambrian	Spurs Formation	Antarctica
Farasaphus[21]	Gen. et sp. nov	Valid	Pour, Popov & Vinogradova	Ordovician (Darriwilian)		Kazakhstan	An asaphid trilobite. Genus includes new species F. singularis.
Gunnia smithi[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Ptychopariidae.
Haydenaspis[25]	Gen. et sp. nov	Valid	Peng et al.	Cambrian Stage 4	Parahio Formation	India	A member of the family Dinesidae. The type species is H. parvatya.
Himalisania[25]	Gen. et comb. nov	Valid	Peng et al.	Cambrian (Guzhangian)	Karsha Formation Kurgiakh Formation	India China?	A member of the family Lisaniidae. The type species is "Eoshengia" sudani Jell & Hughes (1997).
Hypermecaspis edselbrussai[26]	Sp. nov	Valid	Waisfeld & Vaccari	Ordovician (Floian)	Suri Formation	Argentina
Jamrogia[22]	Gen. et sp. nov	Valid	Bentley, Jago & Cooper	Cambrian	Spurs Formation	Antarctica	A member of the new family Jamrogiidae. Genus includes new species J. jamrogensis.
Kaotaia prachina[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Ptychopariidae.
Koldinia odelli[25]	Sp. nov	Valid	Peng et al.	Cambrian (Guzhangian)	Karsha Formation	India	Possibly a member of the family Anomocaridae.
Litzicurus[28]	Gen. et sp. et comb. nov	Valid	Adrain, McAdams & Westrop	Early Ordovician		United States	Possibly a member of Hystricuridae. Genus includes new species L. shawi, as well as "Pseudohystricurus" orbus Ross (1953).
Microparia (Quadratapyge) obsoleta[27]	Sp. nov	Valid	Zhou & Zhou	Ordovician	Pagoda Formation	China	A member of the family Cyclopygidae.
Monanocephalus liquani[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Hsuchuang Formation	China	A member of the family Ptychopariidae.
Nileus jafari[29]	Sp. nov	Valid	Pour & Turvey	Ordovician (Dapingian to early Darriwilian)	Shirgesht Formation	Iran	A member of the family Nileidae.
Proasaphiscus simoni[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Proasaphiscidae.
Probowmania bhatti[25]	Sp. nov	Valid	Peng et al.	Cambrian Stage 4	Parahio Formation	India	A member of the family Ptychopariidae.
Prozacanthoides lahiri[25]	Sp. nov	Valid	Peng et al.	Cambrian Stage 4	Parahio Formation	India	A member of the family Zacanthoididae.
Psalikilus hestoni[28]	Sp. nov	Valid	Adrain, McAdams & Westrop	Early Ordovician		United States
Sudanomocarina sinindica[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Proasaphiscidae.
Torifera jelli[25]	Sp. nov	Valid	Peng et al.	Cambrian (Guzhangian)	Karsha Formation Kurgiakh Formation	India	A member of the family Alsataspididae.
Warburtonella[30]	Gen. et sp. nov	Valid	Sun & Jago	Cambrian (Furongian)	Warburton Basin	Australia	A polymerid trilobite. Genus includes new species W. coongiensis.
Xingrenaspis parthiva[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Ptychopariidae.
Xingrenaspis shyamalae[25]	Sp. nov	Valid	Peng et al.	Wuliuan	Parahio Formation	India	A member of the family Ptychopariidae.