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Ocucajea picklingi

Mammalia - Cetacea - Basilosauridae

Taxonomy
Ocucajea picklingi was named by Uhen et al. (2011). Its type specimen is MUSM 1442, a partial skeleton, and it is a 3D body fossil. Its type locality is Archaeocete Valley, Paracas, AV-19, which is in a Bartonian coastal sandstone in the Paracas Formation of Peru.

Synonymy list
YearName and author
2011Ocucajea picklingi Uhen et al. p. 960 figs. Figures 8, 9
2018Ocucajea picklingi Uhen

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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
RankNameAuthor
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
familyBasilosauridae
genusOcucajea
speciespicklingi

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.

Ocucajea picklingi Uhen et al. 2011
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Diagnosis
ReferenceDiagnosis
M. D. Uhen et al. 2011Ocucajea can be distinguished from all other dorudontines based on its small size and the configuration of bones at the cranial vertex (Fig. 9). In Ocucajea, the nasals and maxillae extend about the same distance posteriorly, whereas in Saghacetus and Dorudon, the nasals extend farther posteriorly than the maxillae. Ocucajea lacks a narial process of the frontal, a feature present in Saghacetus.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2005-03-06 14:19:05
Modified: 2017-04-17 10:41:18
Source: o = order
Reference: Uhen 2004

Age range: Bartonian or 41.30000 to 38.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Bartonian41.3 - 38.0Peru (Ica) Ocucajea picklingi (type locality: 90022)