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Opisthotomus astutus

Mammalia - Phenacodontidae

Taxonomy
Opisthotomus astutus was named by Cope (1875) [genotype]. It is the type species of Opisthotomus.

It was recombined as Phenacodus astutus by Granger (1915); it was considered a nomen dubium by Thewissen (1990).

Synonymy list
YearName and author
1875Opisthotomus astutus Cope p. 16
1915Phenacodus astutus Granger

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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()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Epitheria
UngulataLinnaeus 1766
CetungulataIrwin and Wilson 1993
TaxeopodaCope 1882
Phenacodonta
familyPhenacodontidaeCope 1881
genusOpisthotomus
speciesastutus

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