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List of extinct cetaceans
From Wikipedia, the free encyclopedia
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The list of extinct cetaceans features the extinct genera and species of the order Cetacea. The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, the even-toed ungulates. The earliest cetaceans were still hoofed mammals. These early cetaceans became gradually better adapted for swimming than for walking on land, finally evolving into fully marine cetaceans.
This list currently includes only fossil genera and species. However, the Atlantic population of gray whales (Eschrichtius robustus) became extinct in the 18th century, and the baiji (or Chinese river dolphin, Lipotes vexillifer) was declared "functionally extinct" after an expedition in late 2006 failed to find any in the Yangtze River.
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Suborder Archaeoceti
Family Ambulocetidae
(Eocene)

Family Basilosauridae
(Late Eocene)

Family Kekenodontidae
(Oligocene)
Family Pakicetidae
(Early to Middle Eocene)

Family Protocetidae
(Eocene)

Family Remingtonocetidae
(Eocene)
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Suborder Mysticeti
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Family Llanocetidae
(Late Eocene-Early Oligocene)
Family Mammalodontidae
(jr synonym Janjucetidae)

(Late Oligocene)
Family incertae sedis
Clade Kinetomenta
Family Aetiocetidae
(Oligocene)

Clade Chaeomysticeti
Family incertae sedis
Superfamily Eomysticetoidea
Family Cetotheriopsidae
(Oligocene to Miocene)
Family Eomysticetidae
(Oligocene to early Miocene)
- Echericetus[10]
- Eomysticetus
- Matapanui
- Micromysticetus
- Tohoraata
- Tokarahia
- Waharoa
- Yamatocetus
Family Aglaocetidae
(Miocene)
Superfamily Balaenoidea
Family Balaenidae
(Miocene to Recent)
- Antwerpibalaena
- Archaeobalaena[11]
- Balaena
- Balaenella
- Balaenotus
- Balaenula
- Charadrobalaena[12]
- Eubalaena (extant)
- Idiocetus
- Peripolocetus
- Protobalaena
Family incertae sedis
Clade Thalassotherii
- Cetotheriomorphus
- Heterocetus
- Imerocetus
- Isocetus
- Notiocetus
- Otradnocetus
- Palaeobalaena
- Rhegnopsis
Family Cetotheriidae
(Miocene - Pliocene)
Classification follows Steeman (2007) unless otherwise noted.[13]

- Adicetus[14]
- Brandtocetus
- Cephalotropis
- Cetotherium
- Ciuciulea
- Eucetotherium
- Halicetus
- Herentalia
- Herpetocetus
- Hibacetus[15]
- Joumocetus
- Kurdalagonus
- Metopocetus
- Mithridatocetus
- Nannocetus
Parietobalaena palmeri skull - Piscobalaena
- Thinocetus
- Titanocetus[16]
- Tiucetus
- Vampalus
- Zygiocetus[17]
Family Diorocetidae
(Miocene to Pliocene)
- Amphicetus
- Diorocetus
- Plesiocetopsis
- Uranocetus
Family Neobalaenidae
(Miocene to Recent)
Family Pelocetidae
(Miocene)
Family incertae sedis
- Isanacetus
- Pinocetus
- Mauicetus
- Taikicetus
- Tiphyocetus
Superfamily Balaenopteroidea

Family Balaenopteridae
(Miocene to Recent)
- Archaebalaenoptera
- Balaenoptera (extant)
- "Balaenoptera" cortesii
- "Balaenoptera" portisi
- "Balaenoptera" ryani
- Burtinopsis
- Cetotheriophanes
- Fragilicetus[19]
- Incakujira
- Marzanoptera[20]
- Miobalaenoptera
- Norrisanima
- Nehalaennia
- Parabalaenoptera
- Plesiobalaenoptera
- Plesiocetus
- Praemegaptera
- Protororqualus
Family Eschrichtiidae
(Miocene to Recent)
- Archaeschrichtius
- Eschrichtioides
- Gricetoides
- Megapteropsis
Family Tranatocetidae
Family incertae sedis
- Mioceta (nomen dubium)
- Piscocetus
- Siphonocetus (nomen dubium)
- Tretulias (nomen dubium)
- Ulias (nomen dubium)
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Suborder Odontoceti
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Basal forms
Family Agorophiidae
(Early Oligocene)
Family Ashleycetidae
(Early Oligocene)
- Ashleycetus
Family Patriocetidae
(Oligocene to Early Miocene)
Family Simocetidae
(Early Oligocene)
Family Xenorophidae
(Late Oligocene)
Family Inticetidae
- Inticetus
- Phococetus
Family Microzeuglodontidae
- Microzeuglodon
Family Squaloziphiidae
(Late Oligocene to Early Miocene)
Family incertae sedis
- Ankylorhiza
- Agriocetus
- Atropatenocetus
- Ediscetus
- Olympicetus
- Saurocetus
Superfamily Squalodontoidea
Family Dalpiazinidae
(Late Oligocene to Miocene)
- Dalpiazina
Family Prosqualodontidae
(Late Oligocene-Middle Miocene)
Superfamily Physeteroidea
Family Kogiidae
(Miocene to recent)
- Aprixokogia
- Kogia (extant)
- Kogiopsis
- Koristocetus
- Nanokogia
- Platyscaphokogia[24]
- Pliokogia
- Praekogia
- Scaphokogia
- Thalassocetus
Family Physeteridae
- Cozzuoliphyseter[25]
- Eophyseter[26]
- Ferecetotherium
- Idiophyseter
- Idiorophus
- Orycterocetus
- Physeterula
- Placoziphius
- Preaulophyseter
- Scaldicetus
Family incertae sedis
- Acrophyseter
- Albicetus
- Aulophyseter[27]
- Brygmophyseter
- Diaphorocetus
- Eudelphis
- Hoplocetus (nomen dubium)
- Livyatan[28]
- Miokogia (nomen dubium)
- Paleophoca (nomen dubium)
- Prophyseter (nomen dubium)
- Rhaphicetus[29]
- Zygophyseter
Superfamily "Eurhinodelphinoidea"
Family Argyrocetidae
(Late Oligocene to Early Miocene)
- Argyrocetus
- Chilcacetus
- Macrodelphinus
Family Eoplatanistidae
(Miocene)
- Eoplatanista
Family Eurhinodelphinidae
(Late Oligocene to Late Miocene)

- Ceterhinops
- Eurhinodelphis
- Iniopsis
- Mycteriacetus
- Phocaenopsis
- Schizodelphis
- Vanbreenia
- Xiphiacetus
- Ziphiodelphis
Superfamily Platanistoidea
- Aondelphis
- Awamokoa[30]
- Dolgopolis
- Ensidelphis
- Perditicetus
- Urkudelphis
Family Allodelphinidae
(Late Oligocene to Middle Miocene)

Family Platanistidae
(Early Miocene to Recent)
Family Squalodelphinidae
(Late Oligocene to Middle Miocene)
- Furcacetus [32]
- Furcadelphis
- Huaridelphis[33]
- Macrosqualodelphis
- Medocinia
- Notocetus
- Phocageneus
- Squalodelphis
Family Squalodontidae
(Late Oligocene to Middle Miocene)
- Austrosqualodon
- Eosqualodon
- Macrophoca
- Neosqualodon
- Pachyodon
- Phoberodon
- Squalodon (syn. Kelloggia, Rhizoprion, Crenidelphinus, Arionius, Phocodon)
- Smilocamptus
- Tangaroasaurus
Family Waipatiidae
(Late Oligocene to Early Miocene)
- ?Microcetus
- Otekaikea
- Papahu[34]
- Sachalinocetus
- Waipatia
Superfamily Ziphioidea
Family Ziphiidae
(Miocene to Recent)
- Basal forms
- Aporotus
- Beneziphius
- Chavinziphius
- Chimuziphius
- Choneziphius
- Dagonodum
- Globicetus
- Imocetus
- Messapicetus
- Ninoziphius
- Notoziphius
- Tusciziphius
- Ziphirostrum
- Subfamily Berardiinae
- Archaeoziphius
- Microberardius
- Subfamily Hyperoodontinae
- Africanacetus
- Belemnoziphius
- Ihlengesi
- Khoikhoicetus
- Mesoplodon (extant)
- Nenga
- Pterocetus
- Xhosacetus
- Subfamily Ziphiinae
- Caviziphius
- Izikoziphius
- Nazcacetus
- Subfamily incertae sedis
- Anoplonassa
- Cetorhynchus
- Eboroziphius
- Pelycorhamphus
Clade Delphinida
Family incertae sedis
- Anacharsis
- Belonodelphis
- Delphinavus
- Graamocetus
- Hadrodelphis
- Lamprolithax
- Leptodelphis
- Liolithax
- Lophocetus
- Loxolithax
- Macrokentriodon
- Microphocaena
- Miodelphis
- Nannolithax
- Oedolithax
- Oligodelphis
- Palaeophocaena
- Pithanodelphis
- Platylithax
- Prionodelphis
- Protodelphinus
- Sarmatodelphis
- Sophianacetus
- Tagicetus
Superfamily Delphinoidea
Family Albireonidae
(Miocene to Pliocene)
- Albireo
Family Delphinidae
(Oligocene to Recent)
- Arimidelphis
- Astadelphis
- Australodelphis
- Delphinus (extant)
- Delphinus domeykoi
- Eodelphinus
- Etruridelphis
- Hemisyntrachelus
- Lagenorhynchus (extant)
- Lagenorhynchus harmatuki
- Norisdelphis
- Globicephala (extant)
- Globicephala baereckeii
- Globicephala etruriae
- Orcinus (extant)
- Platalearostrum[38]
- Protoglobicephala
- Pseudorca (extant)
- Pseudorca yokoyamai
- Pseudorca yuanliensis
- Septidelphis[39]
- Sinanodelphis
- Stenella (extant)
- Stenella rayi
- Tursiops (extant)
- Tursiops miocaenus
- Tursiops osennae
Family Kentriodontidae
(Oligocene to Pliocene)

- Kampholophos
- Kentriodon
- Rudicetus
- Sophianaecetus
- Wimahl
- Belonodelphis?
- Liolithax?
Family Monodontidae
(Miocene to Recent)
Family Odobenocetopsidae
(Late Miocene to Early Pliocene)

Family Phocoenidae
(Miocene to Recent)
- Archaeophocaena
- Australithax
- Brabocetus
- Harborophocoena
- Lomacetus
- Miophocaena
- Numataphocoena
- Piscolithax
- Pterophocaena
- Salumiphocaena
- Semirostrum[40]
- Septemtriocetus
Superfamily Inioidea
- Awadelphis
- Brujadelphis
- Incacetus
- Meherrinia
Family Iniidae
(Miocene to Recent)
- Goniodelphis
- Hesperoinia
- Ischyrorhynchus
- Isthminia
- Kwanzacetus
- Saurocetes
Family Pontoporiidae
(Middle Miocene to Recent)
- Atocetus
- Auroracetus
- Brachydelphis
- Pliopontos
- Pontistes
- Protophocaena
- Samaydelphis[41]
- Scaldiporia
- Stenasodelphis
Superfamily Lipotoidea
Family Lipotidae
(Late Miocene to Recent)
Superfamily incertae sedis
- Delphinodon
- Heterodelphis
Family incertae sedis
- Acrodelphis
- Champsodelphis
- Hesperocetus
- Imerodelphis (Miocene)
- Kharthlidelphis
- Lonchodelphis
- Macrochirifer
- Microsqualodon
- Pelodelphis
- Rhabdosteus (nomen dubium)
- Sulakocetus
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References
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