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Isectolophus

Mammalia - Perissodactyla

Synonyms
Synonymy list
YearName and author
1887Isectolophus Scott and Osborn
1919Isectolophus Peterson p. 116
1919Parisectolophus Peterson p. 121
1963Isectolophus Radinsky p. 9
1976Parisectolophus Gazin
1988Isectolophus Carroll
1989Isectolophus Prothero and Schoch p. 532
1998Isectolophus Colbert and Schoch p. 573
1999Isectolophus Holbrook p. 346
2004Isectolophus Holbrook et al. p. 951
2004Isectolophus Hooker and Dashzeveg p. 1375
2005Isectolophus Colbert p. 6

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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
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
genusIsectolophus

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
ReferenceDiagnosis
L. B. Radinsky 1963Medium-sized to large isectolophids. N o diastemata. P relatively small. P
313
with minute lingual crista. P submolariform, with one or two lingual cusps. M " relatively
longer and narrower than in Homogalax, with protoconules and metaconules never disr tinct. Pa relatively low; P ^ with relatively low trigonid and high posterior medial ridge (= metalophid). No metastylid on m1-3.