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Dusignathus santacruzensis

Mammalia - Carnivora - Odobenidae

Taxonomy
Dusignathus santacruzensis was named by Kellogg (1927). Its type specimen is UCMP 27121, a partial skull, and it is a 3D body fossil. Its type locality is Santa Cruz 1, which is in a Messinian marine sandstone in the Purisima Formation of California.

Synonymy list
YearName and author
1927Dusignathus santacruzensis Kellogg p. 27
1930Dusignathus santacruzensis Hay p. 558
1977Dusignathus santacruzensis Repenning and Tedford p. 43
1989Dusignathus santacruzensis Barnes p. 23
1991Dusignathus santacruzensis Vidal p. 6
1994Dusignathus santacruzensis Deméré p. 114
2003Dusignathus santacruzensis Deméré et al. p. 49 figs. Fig. 3.3
2008Dusignathus santacruzensis Barnes p. 534
2013Dusignathus santacruzensis Boessenecker and Churchill p. 10 fig. 8
2018Dusignathus santacruzensis Berta p. 714 figs. Fig. 3
2018Dusignathus santacruzensis Berta et al. p. 217 figs. Fig. 6
2018Dusignathus santacruzensis Magallanes et al. p. 30 figs. Figure 14
2020Dusignathus santacruzensis Biewer et al.

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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)
—Theriiformes()
—Trechnotheria
RankNameAuthor
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
infraorderCanoidea(Simpson 1931)
superfamilyArctoideaFlower 1869
—PanpinnipediaWolsan et al. 2020
—Pinnipedimorpha
—Pinnipedia()
superfamilyOtarioidea
familyOdobenidae()
—Neodobenia
subfamilyDusignathinae
genusDusignathus
speciessantacruzensis

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
Measurements
No measurements are available
Composition: hydroxyapatiteuc
Ontogeny: modification of partsuc
Environment: marinef
Locomotion: actively mobilec
Life habit: amphibiousf
Diet: carnivoref
Reproduction: viviparousf
Created: 2011-05-21 01:16:23
Modified: 2011-05-20 10:16:23
Source: f = family, c = class, uc = unranked clade
References: Carreño and Cronin 1993, Hendy et al. 2009, Kohno et al. 1995

Age range: Messinian or 7.24600 to 5.33300 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Tortonian - Piacenzian11.62 - 2.588USA (California) Dusignathus santacruzensis (188305)
Messinian7.246 - 5.333USA (California) Dusignathus santacruzensis (52217 75783 152096) Dusignathus santacruzensis, Odobenidae indet. (type locality: 152092) Odobenidae indet. (58990)
Messinian7.246 - 5.333Mexico (Baja California) Dusignathus santacruzensis (45458)