Holbrookia subcaudalis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Iguania
Family:	Phrynosomatidae
Genus:	Holbrookia
Species:	H. subcaudalis
Binomial name
Holbrookia subcaudalis Axtell, 1956
Synonyms
Holbrookia subcaudalis — Ernest A. Liner, 1994

Holbrookia subcaudalis, commonly known as the southern spot-tailed earless lizard, is a species of lizard in the genus Holbrookia. It was previously considered a subspecies of Holbrookia lacerata.

It is found in northern Mexico and the United States in southern Texas.

The southern spot-tailed earless lizard is overall light grayish tan in color, with two paravertebral rows of transverse light-edged dark blotches, one row down either side of the back and a second lateral row of dark, pale-edged blotches that are usually not connected to the paravertebral blotches. Adults are 11.5–15.4 cm (4.5–6.1 in) in total length. They have round, dark spots on the ventral surface of the tail, a characteristic which gives them both their common and scientific names. As with all species and subspecies of earless lizard, they have no external ear openings. When gravid, females will often turn greenish yellow on neck and trunk.

As with all earless lizards, the southern spot-tailed earless lizard is diurnal and insectivorous.

Their preferred habitat is subhumid agricultural and nonagricultural flatlands and very low rolling hills with sparse vegetation such as small patches of grass on dark clay loam soils, with a few mesquite trees mesquite, but not prickly pear cactus.

They are oviparous.

• Species Holbrookia subcaudalis at The Reptile Database

• Herps of Texas: Holbrookia lacerata Archived 2006-09-10 at the Wayback Machine

• Axtell, R.W. 1956. A Solution to the Long Neglected Holbrookia lacerata Problem, and the Description of Two New Subspecies of Holbrookia.
  Bull. Chicago Acad. Sci. 10 (11): 163–179. (Holbrookia lacerata subcaudalis, new subspecies.)
• Behler, J.L., and F.W. King. 1979. The Audubon Society Field Guide to North American Reptiles and Amphibians. New York: A.A. Knopf. 743 pp. ISBN 0-394-50824-6. (Holbrookia lacerata subcaudalis, pp. 509–510.)
• Conant, R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. The Peterson Field Guide Series. Boston: Houghton Mifflin. xviii + 429 pp. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (Holbrookia lacerata subcaudalis, p. 97 + Map 56.)
• Smith, H.M., and E.D. Brodie, Jr. 1982. Reptiles of North America: A Guide to Field Identification. New York: Golden Press. 240 pp. ISBN 0-307-13666-3. (Holbrookia lacerata subcaudalis, p. 130.)