Wiktionary
regal horned lizard
n. (taxlink Phrynosoma solare species noshow=1), a horned lizard, with a wide toad-shaped body about seven inches long, noted for the ten horns that form a crown-like structure on its head.
Wikipedia
Regal horned lizard
The regal horned lizard (Phrynosoma solare) is a horned lizard species native to Mexico and the Southwest United States.