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Kawas benegasorum

Mammalia - Carnivora - Phocidae

Taxonomy
Kawas benegasorum was named by Cozzuol (2001) [Museo Paleontologico "Egidio Feruglio" of Trelew, Chubut, Argentina]. Its type specimen is MEF-PV 601, a partial skeleton, and it is a 3D body fossil. Its type locality is Punta San Román, which is in a Tortonian coastal sandstone in the Puerto Madryn Formation of Argentina.

Synonymy list
YearName and author
2001Kawas benegasorum Cozzuol p. 415 figs. Fig. 2
2014Kawas benegasorum Koretsky and Domning p. 227
2018Kawas benegasorum Berta et al. p. 210 figs. Fig. 2
2022Kawas benegasorum Berta et al. p. 7 figs. Table 1.1

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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)
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()
familyPhocidae()
subfamilyPhocinae
genusKawas
speciesbenegasorum

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.

Kawas benegasorum Cozzuol 2001
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Diagnosis
ReferenceDiagnosis
M. Cozzuol 2001A phocid differing from Lobodontini, Mirounga, ‘‘Monachus,’’ Properiptychus, Callophoca, Piscophoca, Acrophoca, and Messiphoca by having an entepicondilar foramen and a conspicuous supinator ridge on the humerus. It differs from all ‘‘Monachinae’’ by having strongly everted ilia, very conspicuous epicondylar crests on the femur, and unreduced pedal ungual phalanges. It differs from all Lobodontini by having a conspicuous scapular spine and short epiphyses on the ungual phalanges of the fore flipper. It differs from all other members of the Phocinae (except Erignathus) by having a lesser excavation on the lateral side of the ilium, and from all phocines by a long and not abruptly terminated deltopectoral crest on the humerus.