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Pygopodidae, commonly known as snake-lizards, or flap-footed lizards, are a family of legless lizards with reduced or absent limbs, and are a type of gecko. [2] The 47 species are placed in two subfamilies and eight genera. They have unusually long, slender bodies, giving them a strong resemblance to snakes.
Squamata (/ s k w æ ˈ m eɪ t ə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes.With over 12,162 species, [3] it is also the second-largest order of extant (living) vertebrates, after the perciform fish.
The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]
Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, [1] ranging across all continents except Antarctica, as well as most oceanic island chains.
Burton's legless lizard (Lialis burtonis) is a species of lizard in the family Pygopodidae. The species lacks forelegs and has only rudimentary hind legs. [2] Pygopodid lizards are also referred to as "legless lizards", [3] "flap-footed lizards" [4] and "snake-lizards". [5] This species is native to Australia and Papua New Guinea. [6]
The slender glass lizard, which is usually tan or brown with long stripes along the length of its body, can grow as large as 42 inches long, and that would be a very large example, Owens said ...
Dorsal scales variable in size, as large as or larger than the laterals; 30 to 40 scales round the middle of the body, ventrals included. A more or less enlarged postero-median preanal plate. The hind limb reaches about the ear in the male, the shoulder or a little beyond in the female. 7 to 12 (usually 9 to 11) femoral pores on each side.
Draco is a genus of agamid lizards [1] that are also known as flying lizards, flying dragons or gliding lizards. These lizards are capable of gliding flight via membranes that may be extended to create wings ( patagia ), formed by an enlarged set of ribs.