Chonecetus

Chonecetus Temporal range: Oligocene
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	†Aetiocetidae
Genus:	†Chonecetus Russell (1968)
Type species
†Chonecetus sookensis
Species
†C. sookensis

Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae^[1] that lived in the Oligocene period.^[2] Its fossils have been found in Canada,^[3] in the northeast Pacific.^[4] It was first named by L.S. Russell in 1968, and contains one species, C. sookensis.

Like Aetiocetus, Chonecetus possessed both multicusped teeth and the nutrient foramina required for baleen.^[5] Chonecetus closely resembled a modern Mysticeti, with an elongate, streamlined body supporting a pair of paddle-shaped forelimbs, and a horizontal tail fluke strengthened by fibrous cartilage.^[1]

Sister Taxa

• Aetiocetus
• Ashorocetus
• Fucaia
• Morawanocetus
• Willungacetus

References

Suggested further reading

• Marine Mammal Biology: An Evolutionary Approach By A. Rus Hoelzel. Published 2002 Blackwell Publishing. ISBN 0-632-05232-5

External links

• Paleobiology Database

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Genera of baleen whales and their extinct allies

• Kingdom: Animalia
• Phylum: Chordata
• Class: Mammalia
• Order: Artiodactyla
• Infraorder: Cetacea

Mysticeti
Mysticeti †Borealodon †Coronodon †Imerocetus †Mioceta? †Piscocetus †Siphonocetus? †Tretulias? †Ulias? †Aetiocetidae Aetiocetus Ashorocetus Chonecetus Fucaia Morawanocetus Willungacetus †Llanocetidae Llanocetus Mystacodon †Mammalodontidae Janjucetus Mammalodon Chaeomysticeti Horopeta Sitsqwayk Whakakai †Eomysticetoidea Cetotheriopsis †Eomysticetidae Eomysticetus Micromysticetus Tohoraata Tokarahia Waharoa Yamatocetus Balaenomorpha Balaenidae †Antwerpibalaena †Archaeobalaena Balaena †Balaenella †Balaenula †Balaenotus Eubalaena †Idiocetus †Mesoteras †Morenocetus †Peripolocetus †Protobalaena Thalassotherii †Hibacetus †Isanacetus †Isocetus †Mauicetus †Pinocetus †Taikicetus †Tiphyocetus †Uranocetus †Aglaocetidae Aglaocetus †Diorocetidae Amphicetus Diorocetus Plesiocetopsis Thinocetus †Pelocetidae Cophocetus Halicetus Parietobalaena Pelocetus †Tranatocetidae Mesocetus Mixocetus Tranatocetus Cetotheriidae †Cephalotropis †Journocetus †Otradnocetus †Palaeobalaena? †Titanocetus? †Tiucetus †Cetotheriinae Brandtocetus Cetotherium Ciuciulea Eucetotherium Kurdalagonus Mithridatocetus Vampalus Zygiocetus Herpetocetinae Caperea †Herentalia †Herpetocetus †Metopocetus †Miocaperea †Nannocetus †Piscobalaena Balaenopteroidea †Eobalaenoptera Balaenopteridae †Archaebalaenoptera †Archaeschrichtius Balaenoptera †Burtinopsis? †Cetoteriophanes †Diunatans †Eschrichtioides Eschrichtius †Gricetoides †Incakujira Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus

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