Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Mesocetus siphunculus

Mammalia - Cetacea - Tranatocetidae

Taxonomy
Mesocetus siphunculus was named by Cope (1895) [no type specimen listed in Cope 1895 ]. Its type specimen is AMNH 22665, a mandible, and it is a 3D body fossil. Its type locality is Pamunkey River, near Hanover, which is in a Burdigalian estuary/bay marl in the Calvert Formation of Virginia.

It was recombined as Isocetus siphunculus by Kellogg (1968), Whitmore (1984).

Synonymy list
YearName and author
1895Mesocetus siphunculus Cope pp. 153-154
1898Mesocetus siphunculus Trouessart p. 1076
1902Mesocetus siphunculus Hay p. 600
1904Mesocetus siphunculus Trouessart p. 782
1930Mesocetus siphunculus Hay p. 571
1938Mesocetus siphunculus Abel p. 8
1968Isocetus siphunculus Kellogg p. 121
1984Isocetus siphunculus Whitmore p. 230
1994Mesocetus siphunculus Gottfried et al. p. 233
2008Mesocetus siphunculus Uhen et al. p. 615

Is something missing? Join the Paleobiology Database and enter the data

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
RankNameAuthor
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderMysticeti
—Chaeomysticeti()
—Plicogulae
familyTranatocetidae
genusMesocetus
speciessiphunculus

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.

†Mesocetus siphunculus Cope 1895
show all | hide all
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: base of the Burdigalian to the top of the Serravallian or 20.45000 to 11.63000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.45 - 15.98USA (Virginia) Mesocetus siphunculus (type locality: 85360)
Langhian15.98 - 13.82USA (Virginia) Mesocetus siphunculus (79793)
Langhian15.98 - 13.82USA (Maryland) Mesocetus siphunculus (45509 70834 71795)
Serravallian13.82 - 11.63USA (Virginia) Mesocetus siphunculus (126605 187324)
Serravallian13.82 - 11.63USA (Maryland) Mesocetus siphunculus (70835)