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Medocinia tetragorhina

Mammalia - Cetacea - Squalodelphinidae

Taxonomy
Delphinus tetragorhinus was named by Delfortrie (1875). Its type specimen is MNHB 174, a partial skull, and it is a 3D body fossil. Its type locality is Saint-Medard-en-Jalle, Miocene, which is in a Burdigalian marine horizon in France.

It was recombined as Champsodelphis tetragorhinus by Van Beneden and Gervais (1880), Van Beneden and Gervais (1880), Longhi (1898), Trouessart (1898) and Trouessart (1904); it was synonymized subjectively with Cyrtodelphis sulcatus by Abel (1900); it was recombined as Medocinia tetragorhina by Muizon (1988) and Tanaka and Fordyce (2014).

Synonymy list
YearName and author
1875Delphinus tetragorhinus Delfortrie
1880Champsodelphis tetragorhinus Van Beneden and Gervais
1898Champsodelphis tetragorhinus Longhi p. 332
1898Champsodelphis tetragorhinus Trouessart p. 1019
1904Champsodelphis tetragorhinus Trouessart p. 758
1988Medocinia tetragorhina Muizon p. 83
2014Medocinia tetragorhina Tanaka and Fordyce p. 1 figs. Pl. 5

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderOdontoceti
superfamilyPlatanistoidea
familySqualodelphinidae()
genusMedocinia
speciestetragorhina()

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.

†Medocinia tetragorhina Delfortrie 1875
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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: carnivoresubo
Reproduction: viviparoussubo
Created: 2005-03-06 14:21:39
Modified: 2005-09-22 15:42:08
Source: subo = suborder, o = order
Reference: Uhen 2004

Age range: Burdigalian or 20.44000 to 15.97000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97France Delphinus tetragorhinus (52061)