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Cetotherium crassangulum

Mammalia - Cetacea - Cetotheriidae

Taxonomy
Cetotherium crassangulum was named by Cope (1895). Its type specimen is USNM 8517, a skull, and it is a 3D body fossil. Its type locality is City Point, which is in a Pliocene shallow subtidal horizon in the Yorktown Formation of Virginia.

It was synonymized subjectively with Cetotherium leptocentrum by Cope (1896), Trouessart (1898) and Hay (1902); it was synonymized subjectively with Cyrtodelphis crassangulum by Hay (1930).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1895Cetotherium crassangulum Cope p. 148 figs. Plate 11, Figs. 1a, 1b, 2, 3a, 3b
1988Cetotherium crassangulum Muizon p. 46
2012Cetotherium crassangulum Tarasenko and Lopatin p. 532

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
RankNameAuthor
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
Neoceti
suborderMysticeti
Chaeomysticeti()
familyCetotheriidae()
subfamilyCetotheriinae
genusCetotherium
speciescrassangulum

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marinesubo
Locomotion: actively mobileo
Life habit: aquaticsubo
Depth habitat: surfaceo
Diet: carnivoresubo
Diet 2: suspension feedersubo
Reproduction: viviparouso
Created: 2005-03-06 14:20:41
Modified: 2005-03-06 16:34:40
Source: subo = suborder, o = order
Reference: Uhen 2004

Age range: Pliocene or 5.33300 to 2.58800 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pliocene5.333 - 2.588USA (Virginia) Cetotherium crassangulum (type locality: 85158)