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Antarctodolops

Mammalia - Polydolopidae

Taxonomy
Antarctodolops was named by Woodburne and Zinsmeister (1984). It is not extant. Its type is Antarctodolops dailyi.

It was assigned to Polydolopidae by McKenna and Bell (1997); and to Polydolopinae by Woodburne and Zinsmeister (1984) and Chornogubsky et al. (2009).

Synonyms
Synonymy list
YearName and author
1984Antarctodolops Woodburne and Zinsmeister
1988Eurydolops Case et al.
1997Antarctodolops McKenna and Bell
2009Antarctodolops Chornogubsky 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
RankNameAuthor
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
Marsupialiformes
suborderPolydolopimorphiaArcher 1984
familyPolydolopidae
subfamilyPolydolopinaeAmeghino 1897
genusAntarctodolopsWoodburne and Zinsmeister 1984

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.

G. †Antarctodolops Woodburne and Zinsmeister 1984
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Invalid names: Eurydolops seymourensis [synonym]
Antarctodolops mesetaense Chornogubsky et al. 2009
Invalid names: Eurydolops Case et al. 1988 [synonym]
Diagnosis
ReferenceDiagnosis
L. Chornogubsky et al. 2009Differs from all other polydolopids except Amphidolops in that the lower molars (and, to a lesser degree, also the upper ones) are considerably longer than wide, and more than four labial cusps are present in the m1. Differs from species of Amphidolops in having a large lingual cusp at the anterior end of the talonid in the m1; at least one, and up to three, vertical furrow(s) that bound the talonid cusps on the labial face of the crown; and two distinct labial rows of cusps in the M1 (i.e. the stylar row and the accessory cusp row; in Amphidolops both rows are almost fused in a single row). Differs from species of Eudolops in being smaller in size and in having a larger p3, with more distinct labial and lingual ribs; upper and lower molars have smaller and less distinct cusps; M1 has a greater difference in width between the anterior and the posterior lobes (the latter being wider); m3 is proportionally smaller. Differs from species of Polydolops in the absence of p2. Differs from Pseudolops in its smaller size; in that the P3 is proportionally shorter and has more marked labial ribs, and in having higher and flatter labial and lingual faces of P3.