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Piscolithax longirostris

Mammalia - Cetacea - Phocoenidae

Taxonomy
Piscolithax longirostris was named by Muizon (1983). Its type specimen is SAS 933, a skull, and it is a 3D body fossil. Its type locality is Sud-Sacaco West (SAS) horizon, which is in a Messinian foreshore siltstone in the Pisco Formation of Peru. It is the type species of Piscolithax.

Synonymy list
YearName and author
1983Piscolithax longirostris Muizon p. 1203 figs. Fig. 1
2006Piscolithax longirostris Fajardo-Mellor et al. p. 912

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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
RankNameAuthor
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderOdontoceti
infraorderDelphinida
superfamilyDelphinoidea
familyPhocoenidae()
genusPiscolithax
specieslongirostris

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.

†Piscolithax longirostris Muizon 1983
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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: piscivoref
Reproduction: viviparoussubo
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, subo = suborder, o = order
References: Nowak 1991, Uhen 2004

Age range: Messinian or 7.24600 to 5.33300 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Tortonian - Messinian11.62 - 5.333Peru Piscolithax longirostris (46083)
Messinian7.246 - 5.333Peru Piscolithax longirostris (type locality: 13079)