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Taxonomy
Hemiauchenia gracilis was named by Meachen (2005). Its type specimen is UF 210707, a mandible (right dentary fragment with p4-m3), and it is a 3D body fossil. Its type locality is De Soto Shell Pit 5, which is in a Blancan terrestrial horizon in the Caloosahatchee Formation of Florida.
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Hemiauchenia gracilis Meachen p. 438 |
| 2010 | Hemiauchenia gracilis Jimenez-Hidalgo and Carranza-Castaneda pp. 56 - 57 figs. Figure 3; Tables 4–6 |
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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.
†Hemiauchenia gracilis Meachen 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Jimenez-Hidalgo and O. Carranza-Castaneda 2010 | Considerably smaller than Hemiauchenia blancoensis,‘‘Hemiauchenia’ ’minima (Leidy) 1886 and Pleiolama vera; lacks p1 and p3; postcranial elements more slender than those of H. macrocephala and longer and usually more robust than those of Hemiauchenia edensis (Frick) 1921 (Meachen,2005). Shares homologous character states with Hemiachenia macrocephala and Hemiauchenia edensis, such as gracile molars, slender postcranial elements, and small size. |