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Austrosqualodon trirhizodonta

Mammalia - Cetacea - Squalodontidae

Taxonomy
Austrosqualodon trirhizodonta was named by Climo and Baker (1972). It is not extant. Its type specimen is DM 1627. Its type locality is Fossil Point, which is in a Duntroonian marine siltstone in the Abel Head Formation of New Zealand.

It was considered a nomen dubium by Fordyce and de Muizon (2001).

Synonymy list
YearName and author
1972Austrosqualodon trirhizodonta Climo and Baker p. 67 figs. Fig. 2
1973Austrosqualodon trirhizodonta Keyes
1980Austrosqualodon trirhizodonta Fordyce p. iii figs. Table 2
1982Austrosqualodon trirhizodonta Fordyce p. 423
1991Austrosqualodon trirhizodonta Fordyce p. 1182
2009Austrosqualodon trirhizodonta Fordyce and Roberts p. 553

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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
—Amblyoccipita
—Stegoceti
familySqualodontidae
genusAustrosqualodon
speciestrirhizodonta

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.

†Austrosqualodon trirhizodonta Climo and Baker 1972
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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: Duntroonian or 27.30000 to 25.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Duntroonian27.3 - 25.2New Zealand (N. W. Nelson) Austrosqualodon trirhizodonta (type locality: 13100)