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Paracolodon fissus
Taxonomy
Desmatotherium fissum was named by Matthew and Granger (1925). It is not extant.
It was recombined as Helaletes fissus by Radinsky (1965) and Qi (1987); it was recombined as Colodon fissus by Dashzeveg and Hooker (1997); it was recombined as Paracolodon fissus by Bai et al. (2017).
It was recombined as Helaletes fissus by Radinsky (1965) and Qi (1987); it was recombined as Colodon fissus by Dashzeveg and Hooker (1997); it was recombined as Paracolodon fissus by Bai et al. (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Desmatotherium fissum Matthew and Granger |
| 1965 | Helaletes fissus Radinsky |
| 1987 | Helaletes fissus Qi |
| 1997 | Colodon fissus Dashzeveg and Hooker |
| 2005 | Desmatotherium fissum Eberle p. 318 |
| 2017 | Paracolodon fissus Bai et al. |
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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.
†Paracolodon fissus Matthew and Granger 1925
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Bai et al. 2017 | Preorbital portion relatively shorter compared with postorbital part. The lateral trough on ascending process of the maxilla extending posteriorly above the supraorbital process of the frontal. A pair of medial troughs on the dorsal surface of the frontal separated by a median anterior sagittal crest and extending posteriorly to the frontal line. P3–4 metaloph extending toward protocone, bypassing the hypocone. Posterior end of mandibular symphysis ending at the level of p2. p2–m3 relatively long and narrow. p3–4 entoconid small and distinct, talonid slightly wider than trigonid. m3 hypoconulid highly reduced. |
Measurements
No measurements are available
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| Source: superf = superfamily, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Hendy et al. 2009, Colbert and Schoch 1998, Ji et al. 2002, Carroll 1988 | |||||
Collections
No collection or age range data are available