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Linnaeus, 1758. Phrynosoma, whose members are known as the horned lizards, horny toads, or horntoads, is a genus of North American lizards and the type genus of the family Phrynosomatidae. Their common names refer directly to their horns or to their flattened, rounded bodies, and blunt snouts. The generic name Phrynosoma means "toad-bodied".
The Texas horned lizard is the largest-bodied and most widely distributed of the roughly 21 species of horned lizards in the western United States and Mexico. The Texas horned lizard exhibits sexual dimorphism, with the females being larger with a snout-vent length of around 5 in (13 cm), whereas the males reach around 3.7 in (9.4 cm).
Description. The regal horned lizard is a small, flat lizard about the size of the palm of a human's hand. It has spikes all around the lateral surface of its body. It is 3–4 in (117 mm) in length from nose to tail as a full adult, and pale grey to yellow-brown or reddish in color, topped with dark blotches alongside the body and back.
In Southern California, the San Diego horned lizard's reproductive period ranges from early March to June. [ 10] Each year the female Blainville's horned lizard can lay about 6-21 eggs in a year. A few months after they are laid in August-September they begin to hatch. The females will lay their eggs in the Santa Monica and Simi Hills area.
The coast horned lizard appears rough and spiky but is actually smooth-skinned, although it has sharp spikes along its sides, back and head. It is a large species, and can reach 10 cm (4 inches) excluding the tail. It is less rounded than other horned lizards. It has two large dark blotches behind its head, followed by three broad bands on its ...
Phrynosoma (Doliosaurus) goodei. — Crother, 2012. The Sonoran horned lizard ( Phrynosoma goodei), also known commonly as Goode's desert horned lizard and el camaleón de Sonora in Mexican Spanish, is a species of horned lizard in the family Phrynosomatidae. The species is native to Arizona in the United States and to Sonora in Mexico.
It may be a hybrid species arising from ancient hybridization between the Great Plains short-horned lizard (P. brevirostris) and desert short-horned lizard (P. ornatissimum). It is named after Bertrand E. Baur, a longtime friend of the author and studier of Phrynosoma who passed away from injuries sustained in a car accident in 2013. [1][2]
Trioceros jacksonii Tilbury & Tolley, 2009. Jackson's chameleon (Trioceros jacksonii), also known commonly as Jackson's horned chameleon, the three-horned chameleon, and the Kikuyu three-horned chameleon, is a species of chameleon, a lizard in the family Chamaeleonidae. The species is native to East Africa, and introduced to Hawaii, Florida ...