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Pachyaena ossifraga

Mammalia - Acreodi - Mesonychidae

Taxonomy
Pachyaena ossifraga was named by Cope (1874) [genotype]. Its type locality is Arroyo Blanco (Cope), which is in a Wasatchian terrestrial horizon in the San Jose Formation of New Mexico. It is the type species of Pachyaena.

It was recombined as Mesonyx ossifragus by Cope (1882); it was recombined as Mesonyx ossifraga by Cope (1885).

Synonyms
Synonymy list
YearName and author
1874Pachyaena ossifraga Cope
1875Pachyaena ossifraga Cope p. 11
1882Mesonyx ossifragus Cope p. 165
1885Mesonyx ossifraga Cope
1892Pachyaena ossifraga Osborn and Wortman
1892Pachyaena ossifraga Scott p. 305
1899Pachyaena intermedia Wortman
1902Pachyaena intermedia Hay p. 750
1902Pachyaena ossifraga Hay p. 750
1909Pachyaena ossifraga Matthew
1915Pachyaena ossifraga Matthew and Granger
1930Pachyaena ossifraga Hay p. 468
2018Pachyaena ossifraga 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
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
orderAcreodiMatthew 1909
—Mesonychia
familyMesonychidae
genusPachyaenaCope 1874
speciesossifragaCope 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.

†Pachyaena ossifraga Cope 1874
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Invalid names: Pachyaena intermedia Wortman 1899 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:02:52
Modified: 2005-08-31 16:02:52
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Archibald 1998, Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002

Age range: Wasatchian or 54.90000 to 50.50000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene56.0 - 48.07USA (Wyoming) Pachyaena ossifraga (15709)
Ypresian56.0 - 48.07United Kingdom (England) Pachyaena ossifraga (38868)
Wasatchian54.9 - 50.5USA (New Mexico) Pachyaena ossifraga (type locality: 15452)
Wasatchian54.9 - 50.5USA (Wyoming) Pachyaena ossifraga (15455 15505 15507 15510 15514 15518 15522 15524 15531 15532 15536 15694 15704 15707 15831 46659 46690 46731 46733 46759 46768 46808 46846)
Wasatchian54.9 - 50.5USA (Colorado) Pachyaena ossifraga (15480 15485 15861 15864)