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Ectocion collinus

Mammalia - Phenacodontidae

Taxonomy
Ectocion collinus was named by Russell (1929). Its type locality is Cochrane 1, which is in a Ti1 terrestrial horizon in the Paskapoo Formation of Canada.

It was synonymized subjectively with Phenacodus vortmani by West (1976).

Synonyms
Synonymy list
YearName and author
1929Ectocion collinus Russell
1929Meniscotherium semicingulatum Russell
1935Gidleyina montanensis Gidley
1935Gidleyina silberlingi Gidley
1935Tetraclaenodon superior Simpson
1937Gidleyina superior Simpson
1956Gidleyina wyomingensis Gazin pp. 42-43 figs. Pl. 9:3-4
1971Ectocion montanensis West
1971Ectocion wyomingensis West
1974Ectocion montanensis Schiebout
1976Ectocion wyomingensis West
1982Ectocion collinus Gingerich
1990Ectocion collinus Thewissen
1991Ectocion collinus Novacek 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()
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
speciescollinusRussell 1929

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 collinus Russell 1929
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Invalid names: Gidleyina montanensis Gidley 1935 [synonym], Gidleyina silberlingi Gidley 1935 [synonym], Gidleyina wyomingensis Gazin 1956 [synonym], Meniscotherium semicingulatum Russell 1929 [synonym], Tetraclaenodon superior Simpson 1935 [synonym]
Diagnosis
No diagnoses are available