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Pachyaena

Mammalia - Acreodi - Mesonychidae

Taxonomy
Pachyaena was named by Cope (1874). It is not extant. Its type is Pachyaena ossifraga.

It was synonymized subjectively with Mesonyx by Cope (1884).

It was assigned to Mesonychinae by Szalay and Gould (1966) and Zhou et al. (1995); and to Mesonychidae by Cope (1874), Scott (1892), Osborn and Wortman (1892), Hay (1902), Matthew (1909), Carroll (1988), O'Leary and Rose (1995), McKenna and Bell (1997), Gingerich (1998), Archibald (1998), Thewissen et al. (2001) and Solé et al. (2018).

Synonymy list
YearName and author
1874Pachyaena Cope
1892Pachyaena Osborn and Wortman
1892Pachyaena Scott p. 304
1902Pachyaena Hay p. 749
1909Pachyaena Matthew
1966Pachyaena Szalay and Gould p. 134
1988Pachyaena Carroll
1995Pachyaena O'Leary and Rose
1995Pachyaena Zhou et al. p. 397
1997Pachyaena McKenna and Bell p. 367
1998Pachyaena Archibald
1998Pachyaena Gingerich p. 427 figs. FIgure 1
2001Pachyaena Thewissen et al. p. suppl.
2018Pachyaena Solé et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
RankNameAuthor
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
orderAcreodiMatthew 1909
Mesonychia
familyMesonychidae
genusPachyaenaCope 1874

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. †Pachyaena Cope 1874
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Pachyaena gigantea Osborn and Wortman 1892
Pachyaena gracilis Matthew and Granger 1915
Pachyaena nemegetica Dashzeveg 1976
Pachyaena ossifraga Cope 1874
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Invalid names: Pachyaena intermedia Wortman 1899 [synonym]
Diagnosis
No diagnoses are available