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A Production of

Phrynosoma hernandesi, Short-horned Lizard
Dr. Wendy Hodges - University of California at Riverside
Phrynosoma hernandesi
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skull
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Texas Memorial Museum (TNHC 11839)

Image processing: Mr. Stephen Roberson
Publication Date: 15 Oct 2003

ITIS TNS Google MSN

Phrynosoma hernandesi, the short-horned lizard, is wide ranging. It occurs in higher elevations in southern Alberta, Canada, through Montana, Utah, Colorado, Arizona, New Mexico and into Mexico through northeastern Sonora, Chihuahua, and Durango. P. hernandesi can be distinguished from other horned lizard species by the following: one row of lateral abdominal fringe scales; reduced occipital spines directed posteriorly, parallel with temporal spines; and dorsal scales arranged in 6-8 longitudinal rows, rosettes absent or poorly developed.

Phernandesi
About the Species

This specimen was collected by Milstead in 1950 in Otero, New Mexico. It resides in the Texas Natural History Collections of the Texas Memorial Museum (TNHC 11839). It was made available to the University of Texas High-Resolution X-ray CT Facility for scanning by Dr. Wendy L. Hodges of the Department of Biology, University of California, Riverside. Funding for scanning was provided by a National Science Foundation grant (DBI-0204459) to Dr. Hodges. Funding for image processing was provided by a National Science Foundation Digital Libraries Initiative grant to Dr. Timothy Rowe of the Department of Geological Sciences, The University of Texas at Austin.

Dorsal view of specimen

Dorsal view of head

Lateral view of head

About this Specimen

The specimen was scanned by Matthew Colbert on 23 May 2003 along the coronal axis for a total of 702 slices, each slice 0.0313 mm thick with an interslice spacing of 0.0313 mm.

About the
Scan

Literature

Frost, D. R., and R. Etheridge. 1989. A phylogenetic analysis and taxonomy of iguanian lizards (Reptilia: Squamata). University of Kansas Museum of Natural History Miscellaneous Publication 81.

Pianka, E. R., and W. S. Parker. 1975. Ecology of horned lizards: A review with special reference to Phrynosoma platyrhinos Copeia 1975:141-162.

Presch, W. 1969. Evolutionary osteology and relationships of the horned lizard genus Phrynosoma (Family Iguanidae) Copeia 1969:250-275.

Reeve, W. L. 1952. Taxonomy and distribution of the horned lizard genus Phrynosoma. University of Kansas Science Bulletin 34:817-960.

Smith, H. M. 1946. Handbook of Lizards: Lizards of the United States and of Canada. Comstock Publishing Co., Ithaca, New York.

Links

More on horned lizards from Eric Pianka and Wendy Hodges

Phrynosoma hernandesi page from the Colorado Herpetological Society

The Horned Lizard Conservation Society

Literature
& Links

None available.

Additional
Imagery

To cite this page: Dr. Wendy Hodges, 2003, "Phrynosoma hernandesi" (On-line), Digital Morphology. Accessed October 22, 2014 at http://digimorph.org/specimens/Phrynosoma_hernandesi/.

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