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Hydrurga leptonyx (leopard seal)

Mammalia - Carnivora - Phocidae

Taxonomy
Phoca leptonyx was named by de Blainville (1820). It is extant.

It was recombined as Stenorhynchus leptonyx by Gray (1844), Gray (1850), Gill (1866), Gray (1866), Gray (1871) and Gray (1873); it was recombined as Ogmorhinus (Ogmorhinus) leptonyx by Trouessart (1898), Trouessart (1904) and Friant (1947); it was recombined as Ogmorhinus leptonyx by Turner (1912); it was recombined as Hydrurga leptonyx by Kellogg (1922), Scheffer and Rice (1963), Riedman (1990), Koretsky (2001), Deméré et al. (2003), Cullen et al. (2014), Berta et al. (2018) and Kienle and Berta (2019).

Synonymy list
YearName and author
1820Phoca leptonyx de Blainville p. 298
1844Stenorhynchus leptonyx Gray p. 6
1850Stenorhynchus leptonyx Gray p. 13
1866Stenorhynchus leptonyx Gill p. 6
1866Stenorhynchus leptonyx Gray p. 16
1871Stenorhynchus leptonyx Gray p. 4
1873Stenorhynchus leptonyx Gray p. 143
1898Ogmorhinus (Ogmorhinus) leptonyx Trouessart p. 380
1904Ogmorhinus (Ogmorhinus) leptonyx Trouessart p. 283
1912Ogmorhinus leptonyx Turner p. 198
1922Hydrurga leptonyx Kellogg p. 115
1947Ogmorhinus (Ogmorhinus) leptonyx Friant p. 6
1963Hydrurga leptonyx Scheffer and Rice p. 4
1990Hydrurga leptonyx Riedman p. 57 figs. Table 2
2001Hydrurga leptonyx Koretsky p. 86
2003Hydrurga leptonyx Deméré et al. p. 49 figs. Fig. 3.3
2014Hydrurga leptonyx Cullen et al. p. 1471 figs. Figure 1
2018Hydrurga leptonyx Berta et al. p. 210 figs. Fig. 4
2019Hydrurga leptonyx Kienle and Berta

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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()
RankNameAuthor
—Trechnotheria
—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()
superfamilyPhocoideaSmirnov 1908
familyPhocidae()
subfamilyMonachinae
genusHydrurgaGistel 1848
speciesleptonyx()

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.

Hydrurga leptonyx de Blainville 1820 [leopard seal]
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Diagnosis
No diagnoses are available
Measurements
partNmean

Composition: hydroxyapatiteuc
Ontogeny: modification of partsuc
Environment: marineuc
Locomotion: actively mobilec
Life habit: amphibiousuc
Diet: piscivoref
Diet 2: carnivoref
Reproduction: viviparousuc
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, c = class, uc = unranked clade
References: Nowak 1991, Gingerich 2003, Carreño and Cronin 1993, Hendy et al. 2009

Age range: Holocene or 0.01170 to 0.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Holocene0.0117 - 0.0Chile Hydrurga leptonyx (168666)
Holocene0.0117 - 0.0Antarctica Hydrurga leptonyx (90099 168664 215322)
Holocene0.0117 - 0.0New Zealand Hydrurga leptonyx (81666)
Holocene0.0117 - 0.0Argentina Hydrurga leptonyx (168665)