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Orycterocetus quadratidens

Mammalia - Cetacea - Physeteridae

Taxonomy
Orycterocetus quadratidens was named by Leidy (1853) [No type locality information is given by Leidy (1853) other than Miocene of Virginia.]. Its type specimen is ANSP 9065 - 9069, a mandible (2 teeth, 2 partial mandibular rami), and it is a 3D body fossil. It is the type species of Orycterocetus.

It was replaced with Orycterocetus cornutidens by Leidy (1856); it was recombined as Physeter quadratidens by Trouessart (1898) and Trouessart (1904).

Synonymy list
YearName and author
1852Orycterocetus quadratidens Leidy p. 378
1853Orycterocetus quadratidens Leidy p. 378
1869Orycterocetus quadratidens Leidy p. 436
1875Orycterocetus quadratidens Cope p. 50
1898Physeter quadratidens Trouessart p. 1055
1902Orycterocetus quadratidens Hay p. 596
1904Physeter quadratidens Trouessart p. 774
1930Orycterocetus quadratidens Hay p. 597
1965Orycterocetus quadratidens Kellogg p. 48
2002Orycterocetus quadratidens Kazár p. 163
2008Orycterocetus quadratidens Uhen et al. p. 576

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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
suborderOdontoceti
superfamilyPhyseteroidea
familyPhyseteridae
genusOrycterocetus
speciesquadratidens

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: marine, freshwatersubo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: piscivoref
Diet 2: carnivoref
Reproduction: viviparoussubo
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, subo = suborder, o = order
References: Uhen 2004, Nowak 1991

Age range: Zanclean or 5.33300 to 3.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Zanclean5.333 - 3.6USA (North Carolina) Orycterocetus quadratidens (77581)