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Isectolophus latidens

Mammalia - Perissodactyla

Taxonomy
Helaletes latidens was named by Osborn et al. (1878). Its type specimen is PU 10251, a partial skull (maxilla with P3-M3; mandible with i1-p1 roots, p3, m1-3), and it is a 3D body fossil.

It was recombined as Parisectolophus latidens by Peterson (1919) and Gazin (1976); it was recombined as Isectolophus latidens by Osborn (1889), Hay (1902), Radinsky (1963), Schoch (1989), McCarroll et al. (1996), Colbert and Schoch (1998) and Holbrook et al. (2004).

Synonyms
Synonymy list
YearName and author
1878Helaletes latidens Osborn et al. p. 54
1889Isectolophus latidens Osborn
1902Isectolophus latidens Hay p. 627
1919Parisectolophus latidens Peterson p. 121
1922Homogalax bridgerensis Troxell
1963Isectolophus latidens Radinsky p. 22 figs. Plate 1, figs. 2-4, 6
1976Parisectolophus latidens Gazin
1979Isectolophus bogdulensis Reshetov
1987Homogalax reliquius Qi
1989Isectolophus latidens Schoch
1996Isectolophus latidens McCarroll et al.
1998Isectolophus latidens Colbert and Schoch
2004Isectolophus latidens Holbrook et al. p. 952

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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
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
genusIsectolophus
specieslatidens()

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.

†Isectolophus latidens Osborn et al. 1878
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Invalid names: Homogalax bridgerensis Troxell 1922 [synonym], Homogalax reliquius Qi 1987 [synonym], Isectolophus bogdulensis Reshetov 1979 [synonym]
Diagnosis
ReferenceDiagnosis
L. B. Radinsky 1963Medium-sized isectolophids. Mean length M M = 40.4 mm. P with one or
two lingual cusps. See Table 2.