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Stygimys gratus

Mammalia - Multituberculata - Eucosmodontidae

Taxonomy
Eucosmodon gratus was named by Jepsen (1930). It is not extant. Its type locality is Mantua Lentil, which is in a Puercan terrestrial horizon in the Polecat Bench Formation of Wyoming.

It was recombined as Stygimys gratus by Sloan and Van Valen (1965), Clemens and Kielan-Jaworowska (1979) and Archibald (1982); it was recombined as Cimexomys gratus by Lofgren (1995) and Kielan-Jaworowska et al. (2004).

Synonymy list
YearName and author
1930Eucosmodon gratus Jepsen
1965Stygimys gratus Sloan and Van Valen p. 223
1979Stygimys gratus Clemens and Kielan-Jaworowska p. 102
1982Stygimys gratus Archibald
1995Cimexomys gratus Lofgren
2004Cimexomys gratus Kielan-Jaworowska et al. pp. 254, 322

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
familyEucosmodontidaeJepsen 1940
subfamilyEucosmodontinaeJepsen 1940
genusStygimys
speciesgratus()

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.

Diagnosis
No diagnoses are available