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Chilgatherium harrisi
Taxonomy
Chilgatherium harrisi was named by Sanders et al. (2004). Its type specimen is CH35−3a−e, a set of teeth, and it is not a trace fossil. Its type locality is Chilga, which is in a Chattian fluvial lignite/siltstone in Ethiopia.
Synonymy list
Year | Name and author |
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2004 | Chilgatherium harrisi Sanders et al. pp. 372-377 fig. 4 |
2010 | Chilgatherium harrisi Sanders et al. p. 176 |
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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.
†Chilgatherium harrisi Sanders et al. 2004
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Diagnosis
Reference | Diagnosis | |
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W. Sanders et al. 2004 | Diminutive deinotheres; teeth smaller than homologs in Prodeinotherium and Deinotherium (Fig. 6). Differ from deinotheriines (Deinotherium and Prodeinotherium) in the following features: P3 with bunodont cusps
that are more independent in occlusal distribution and that crowd the trigon basin, and with a weakly formed ectoloph; m2 with poor expression of cristids; m2, m3, and M3 with incipient development of a tritoloph(id). Distinguished from barytherioids (Phosphatherium, Daouitherium, Numidotherium, Barytherium, all with bilophodont molars) by development of the m2 distocristid into an incipient third lophid; by development of a postentoconulid in m3; by greater expression of lingual cusps in P3 (shared with other deinotheres); and by the bunodont (P3) and bunolophodont (molars) condition of cheek teeth. |