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Crotaphytid lizards, more commonly known as Collared lizards, are found in North America in the American Southwest and northern Mexico. They prey on other lizards and other vertebrates for their sustenance. There are 12 species found in two genera.
[edit] Classification
- Femoral pores present.
- Interparietal scale small (distinctly smaller than ear opening) unlike Iguanidae.
- Never have an enlarged midorsal scale row or fringe (Iguanidae often do)
- Never have a divided rostral scale (Iguanas with no enlarged midorsal scale row will have a divided rostral scale).
- No bony spines or projecting ridges on their heads.
- No scales projecting over their ears, and no scales forming a prominent fringe on sides of toes as in Phrynosomatidae.
[edit] Family Crotaphytidae
