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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), Zhou et al. (1995); and to Mesonychidae by Cope (1874), Scott (1892), Osborn and Wortman (1892), Hay (1902), Matthew (1909), Hay (1930), Carroll (1988), O'Leary and Rose (1995), McKenna and Bell (1997), Gingerich (1998), Archibald (1998), Thewissen et al. (2001), 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
1930Pachyaena Hay p. 467
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
—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
—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