Holbrookia propinqua

keeled earless lizard
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Phrynosomatidae
Genus: Holbrookia
Species: H. propinqua
Binomial name
Holbrookia propinqua
Baird & Girard, 1852

The keeled earless lizard (Holbrookia propinqua) is a species of phrynosomatid lizard.

Geographic range

It is found primarily in Mexico, in the states of Tamaulipas and Veracruz, but it also ranges to the United States, in southern Texas.

Description

The dorsal scales are small, pointed, and keeled, as the common name implies. The lateral scales are similar but smaller. The ventral scales, which are flat and smooth, are 3-4 times larger than the dorsal scales. Adults may attain 62 mm (2 12 in) snout to vent length (SVL), 140 mm (5 12 in) total length.[1]

Subspecies

There are three recognized subspecies of Holbrookia propinqua:

References

  1. Smith, H.M. and E.D. Brodie, Jr. 1982. Reptiles of North America, A Guide to Field Identification. Golden Press. New York. pp. 128-129.


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