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Orthocynodon
Taxonomy
Orthocynodon was named by Scott and Osborn (1882).
It was synonymized subjectively with Amynodon by Scott and Osborn (1887), Osborn (1890), Hay (1902), Troxell (1921), Wood (1938), Wilson and Schiebout (1981), Wall (1982), Prothero and Schoch (1989), Wall (1989).
It was assigned to Rhinocerotoidea by Scott and Osborn (1882); and to Amynodontidae by Scott and Osborn (1883).
It was synonymized subjectively with Amynodon by Scott and Osborn (1887), Osborn (1890), Hay (1902), Troxell (1921), Wood (1938), Wilson and Schiebout (1981), Wall (1982), Prothero and Schoch (1989), Wall (1989).
It was assigned to Rhinocerotoidea by Scott and Osborn (1882); and to Amynodontidae by Scott and Osborn (1883).
Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Orthocynodon Scott and Osborn p. 223 |
| 1883 | Orthocynodon Scott and Osborn p. 4 |
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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.
G. †Orthocynodon Scott and Osborn 1882
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. B. Scott and H. F. Osborn 1883 | lower canines erect, the third upper premolar has a low posterior crest, two incisors on each side (the lateral apparently absent), the fourth upper premolar has distinctly the molar pattern of anterior and posterior crests. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Ji et al. 2002, Wall 1998 | |||||
Collections
No collection or age range data are available