Holbrookia maculata
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[Photo] Lesser Earless Lizard (Holbrookia maculata). Photo by Quentin Bremmer, released to public domain on May 10, 2007 by the owner.

The Lesser Earless Lizard (Holbrookia maculata) is a species of Phrynosomid lizard found in the southwestern and central United States, in the states of Arizona, New Mexico, Texas, Utah, Colorado, Kansas, Oklahoma, Nebraska, South Dakota and Wyoming, as well as throughout most of Mexico in the states of Sonora, Chihuahua, Coahuila, Sinaloa, Durango, Zacatecas, San Luis Potos?? and Nuevo Le??n.

Subspecies
There are nine recognized subspecies of Holbrookia maculata, many of which in the past held full species status:

Speckled Earless Lizard, Holbrookia maculata approximans (Baird, 1958)
Bunker's Earless Lizard, Holbrookia maculata bunkeri (Smith, 1935)
Dickerson's Earless Lizard, Holbrookia maculata dickersonae (Schmidt, 1921)
Mexican Earless Lizard, Holbrookia maculata elegans (Bocourt, 1874)
Northern Earless Lizard, Holbrookia maculata maculata (Girard, 1851)
Eastern Earless Lizard, Holbrookia maculata perspicua (Axtell, 1956)
Huachuca Earless Lizard, Holbrookia maculata pulchra (Schmidt, 1921)
Bleached Earless Lizard, Holbrookia maculata ruthveni (Smith, 1943)
Western Earless Lizard, Holbrookia maculata thermophila (Barbour, 1921)

http://en.wikipedia.org/wiki/Holbrookia_maculata

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