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Pomatodelphis inaequalis

Mammalia - Cetacea - Platanistidae

Taxonomy
Pomatodelphis inaequalis was named by Allen (1921). Its type specimen is MCZ 15750, a partial skull (base of the right maxilla), and it is a 3D body fossil. Its type locality is Homeland Mine, which is in a Tortonian lagoonal sandstone in the Peace River Formation of Florida. It is the type species of Potamodelphis.

Synonyms
  • Schizodelphis depressus was named by Allen (1921) [Florida Geological Survey]. Its type specimen is FGS 828, a partial skull (rostrum), and it is a 3D body fossil. Its type locality is Homeland Mine, which is in a Tortonian lagoonal sandstone in the Peace River Formation of Florida.

    It was recombined as Cyrtodelphis depressus by Hay (1930); it was synonymized subjectively with Pomatodelphis inaequalis by Morgan (1994).
Synonymy list
YearName and author
1921Schizodelphis depressus Allen pp. 145-147 figs. Plate 9, figs 1-3
1921Pomatodelphis inaequalis Allen p. 148 figs. Plates 10-11
1930Cyrtodelphis depressus Hay p. 591
1930Pomatodelphis inaequalis Hay p. 591
1952Pomatodelphis inequalis Sherman p. 99
1952Schizodelphis depressus Sherman p. 99
1959Pomatodelphis inaequalis Kellogg
1994Pomatodelphis inaequalis Gottfried et al. p. 233
1994Pomatodelphis inaequalis Morgan p. 251
2006Pomatodelphis inaequalis Barnes p. 32
2006Pomatodelphis inaequalis Hulbert and Whitmore p. 19
2008Pomatodelphis inaequalis Uhen et al. p. 581
2016Pomatodelphis inaequalis Boersma and Pyenson p. 12 figs. Figure 10
2023Pomatodelphis inaequalis Godfrey and Lambert p. 88

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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()
genusPomatodelphis
speciesinaequalis

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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Invalid names: Schizodelphis depressus Allen 1921 [synonym]
Diagnosis
ReferenceDiagnosis
G. M. Allen 1921ong-beaked dolphins resembling Schizodelphis in general form of the skull except that the rostrum has a convex expansion of the maxillary outline at the proximal end of the tooth rows; combined width of lower jaws narrower than the upper so that the lower tooth rows close inside the upper (like the lid of a pot--riua); teeth of lower jaw directed upward into the maxillary, where the tips of the more posterior are received in shallow pits, instead of being, as in Schizodelphis, directed outward and interlocking with the maxillary teeth outside the tooth rows.