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Zarhachis crassangulum

Mammalia - Cetacea - Platanistidae

Taxonomy
Priscodelphinus crassangulum was named by Case (1904) [type specimen is said to be at the Maryland Geological Survey]. 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 recombined as Schizodelphis crassangulum by True (1908); it was recombined as Cyrtodelphis crassangulum by Hay (1930); it was recombined as Zarhachis crassangulum by Muizon (1988).

Synonymy list
YearName and author
1904Priscodelphinus crassangulum Case p. 12
1908Schizodelphis crassangulum True p. 451
1925Priscodelphinus crassangulum Kellogg p. 3
1930Cyrtodelphis crassangulum Hay p. 591
1988Zarhachis crassangulum Muizon p. 46

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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
Amblyoccipita
Stegoceti
familyPlatanistidae()
genusZarhachis
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