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Ectocion major

Mammalia - Phenacodontidae

Taxonomy
Prosthecion major was named by Patterson and West (1973) [genotype]. Its type locality is Hell's Half Acre (Lower), which is in a Clarkforkian terrestrial horizon in the DeBeque Formation of Colorado. It is the type species of Prosthecion.

It was recombined as Ectocion major by Thewissen (1990).

Synonymy list
YearName and author
1973Prosthecion major Patterson and West
1990Ectocion major Thewissen

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
RankNameAuthor
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Epitheria
UngulataLinnaeus 1766
CetungulataIrwin and Wilson 1993
TaxeopodaCope 1882
Phenacodonta
familyPhenacodontidaeCope 1881
genusEctocionCope 1882
speciesmajor()

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