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Isectolophus latidens
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).
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
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Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Helaletes latidens Osborn et al. p. 54 |
| 1889 | Isectolophus latidens Osborn |
| 1902 | Isectolophus latidens Hay p. 627 |
| 1919 | Parisectolophus latidens Peterson p. 121 |
| 1922 | Homogalax bridgerensis Troxell |
| 1963 | Isectolophus latidens Radinsky p. 22 figs. Plate 1, figs. 2-4, 6 |
| 1976 | Parisectolophus latidens Gazin |
| 1979 | Isectolophus bogdulensis Reshetov |
| 1987 | Homogalax reliquius Qi |
| 1989 | Isectolophus latidens Schoch |
| 1996 | Isectolophus latidens McCarroll et al. |
| 1998 | Isectolophus latidens Colbert and Schoch |
| 2004 | Isectolophus latidens Holbrook et al. p. 952 |
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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
| Reference | Diagnosis | |
|---|---|---|
| L. B. Radinsky 1963 | Medium-sized isectolophids. Mean length M M = 40.4 mm. P with one or
two lingual cusps. See Table 2. |
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Colbert and Schoch 1998, Ji et al. 2002 | |||||
Age range: Bridgerian or 50.30000 to 46.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bridgerian | USA (Nevada) | Isectolophus latidens (16218) | |
| Bridgerian | USA (Wyoming) | Isectolophus latidens (16279 16647 202165) |