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Scutes on a crocodile. Reptile skin is covered with scutes or scales which, along with many other characteristics, distinguish reptiles from animals of other classes. They are made of alpha and beta-keratin and are formed from the epidermis (contrary to fish, in which the scales are formed from the dermis).
Snake scales are formed by the differentiation of the snake's underlying skin or epidermis. [7] Each scale has an outer surface and an inner surface. The skin from the inner surface hinges back and forms a free area which overlaps the base of the next scale which emerges below this scale. [8] A snake hatches with a fixed number of scales.
4 Characteristics of reptiles. 5 Reptile reproduction. 6 Human impact on reptiles. ... Print/export Download as PDF; Printable version; In other projects Wikidata item;
Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders , historically combined with that of modern amphibians , is called herpetology .
Gorgeously green, Chinese Water Dragons can make for a beautiful reptile pet. These happy-go-lucky four-legged friends are up there with being one of the friendliest lizards out there.
The skin, at least in the more advanced forms probably had a water-tight epidermal horny overlay, similar to the one seen in today's reptiles, though they lacked horny claws. [ 32 ] [ 33 ] In chroniosuchians and some seymouriamorphs , like Discosauriscus , dermal scales are found in post-metamorphic specimens, indicating they may have had a ...
It is the world's longest snake, and the third heaviest after the green anaconda and Burmese python. It is listed as least concern on the IUCN Red List because of its wide distribution. In several countries in its range, it is hunted for its skin, for use in traditional medicine, and for sale as pets. [1]
Ringworm. What it looks like: Ringworm is a common skin infection caused by a fungus. It gets its name from its circular rash, which is often red, swollen, and cracked. Other symptoms to note ...