Genus Phrynosoma, commonly known as horned lizards, is a group of reptiles in the family Phrynosomatidae. Horned lizards are native to North and Central America and are known for their distinctive spiny bodies and unique defense mechanisms. Synonyms for the term Genus Phrynosoma include the following: horny toads, horned toad lizards, and horned toads. These terms are used interchangeably with horned lizards in common language and scientific literature. The word "phrynosoma" comes from the Greek word "phryne" which means "toad," and "soma" which means "body," which is a fitting description for these fascinating creatures.