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Rabbit Valley

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Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Rabbit Valley
Address:
CO

Aztlanolagus is an extinct monotypic genus of rabbit that lived during the Quaternary of the Southern to Southwestern United States and northern Mexico. Aztlanolagus agilis is currently the only recognized species, though differences among recovered fossils suggest that there may have been other species. The generic name refers to Aztlán, the legendary place of origin of the Nahua peoples as recorded in the mythological accounts of the Aztecs and other Nahua groups. By some traditions, this legendary locale is placed in the border regions of the Southwestern United States and adjacent northern Mexico. Fossils range in age from the Pliocene and Pleistocene . The known distribution is from southeastern Arizona-, to central Texas and from central Colorado to southern Chihuahua. Aztlanolagus may be distinguished from all other known leporids as follows. Lower incisor terminates under diastema and well anterior to P3. Three reentrant folds present on trigonid of P3: an anterior reentrant fold, an anterointernal reentrant fold , and an anteroexternal fold. At all growth stages, a posteroexternal reentrant fold extends approximately halfway across occlusal surface of P3 to a narrow enamel lake lying next to lingual border; enamel lake rarely joined to external reentrant to form the Lepus-type pattern . On P4 to M2, external fold extends to enamel of lingual wall. Anterior border of talonid on P4-M2 deeply convoluted, often with alternating series of major and minor enamel loops....
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