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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()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
Phenacodonta
familyPhenacodontidaeCope 1881
subfamilyMeniscotheriinae(Cope 1882)
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.

Ectocion major Patterson and West 1973
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Diagnosis
No diagnoses are available