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Brachydelphis mazeasi

Mammalia - Cetacea - Pontoporiidae

Taxonomy
Brachydelphis mazeasi was named by Muizon (1988). Its type specimen is MNHN PPI 121, a skull, and it is a 3D body fossil. Its type locality is El Jahuay, which is in a Tortonian shoreface siltstone in the Pisco Formation of Peru. It is the type species of Brachydelphis.

Synonymy list
YearName and author
1988Brachydelphis mazeasi Muizon p. 108 figs. Fig. 52-53
1996Brachydelphis mazeasi Cozzuol p. 326
2009Brachydelphis mazeasi Gutstein et al. p. 507
2010Brachydelphis mazeasi Cozzuol p. 199
2011Brachydelphis mazeasi Geisler et al. p. 6 figs. Table 1

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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
infraorderDelphinida
superfamilyInioidea
familyPontoporiidae
genusBrachydelphis
speciesmazeasi

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.

†Brachydelphis mazeasi Muizon 1988
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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: base of the Late/Upper Miocene to the top of the Messinian or 11.60800 to 5.33300 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Serravallian - Tortonian13.82 - 7.246Peru (Ica) Brachydelphis mazeasi (116302)
Tortonian11.62 - 7.246Peru Brachydelphis mazeasi (type locality: 45486 96800)
Late/Upper Miocene11.608 - 5.333Peru (Ica) Brachydelphis mazeasi (45487)
Messinian7.246 - 5.333Peru (Ica) Brachydelphis mazeasi (78518)