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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).
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 ...
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.
Contents. Thorny devil. The thorny devil (Moloch horridus), also known commonly as the mountain devil, thorny lizard, thorny dragon, and moloch, is a species of lizard in the family Agamidae. The species is endemic to Australia. It is the sole species in the genus Moloch. It grows up to 21 cm (8.3 in) in total length (including tail), with ...
A pair of horns on a male impala. Anatomy of an animal's horn. A horn is a permanent pointed projection on the head of various animals that consists of a covering of keratin and other proteins surrounding a core of live bone. Horns are distinct from antlers, which are not permanent. In mammals, true horns are found mainly among the ruminant ...
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.
Acanthosaura is a genus of lizards, commonly known as mountain horned dragons or pricklenape agamas, in the family Agamidae. The common name "pricklenape" refers to a row of dorsal spines which runs down the back of the neck. They are arboreal lizards found in Southeast Asia.