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Pygopodids are not strictly legless since, although they lack forelimbs, they possess hindlimbs that are greatly reduced to small digitless flaps, hence the often used common names of "flap-footed lizards" or "scaly-foot". [2] The pygopodids are considered an advanced evolutionary clade of the Gekkota, which also contains six families of geckos.
According to californiaherps.com, this lizard was previously split into two distinct species, the Anniella pulchra pulchra, the Silver Legless Lizard, and the Anniella pulchra nigra, the Black Legless Lizard. This distinction is no longer recognized due to a study that demonstrated that these populations have different ancestors, separating ...
The family Anniellidae, known as American legless lizards, contains six species in a single genus Anniella: A. pulchra (California legless lizard), the rare A. geronimensis (Baja California legless lizard), and four more discovered in 2013.
Amphisbaenia / æ m f ɪ s ˈ b iː n i ə / (called amphisbaenians or worm lizards) is a group of typically legless lizards, [2] comprising over 200 extant species. Amphisbaenians are characterized by their long bodies, the reduction or loss of the limbs, and rudimentary eyes.
The full body of a sheltopusik. The sheltopusik can reach a length of 135 cm (4.43 ft). It is tan colored, paler on the ventral surface and the head, with a ring-like/segmented appearance that makes it look like a large earthworm with a distinctive fold of skin down each side called a lateral groove.
Several species of legless lizards have tiny useless legs, such as pygopodids which retain rudimentary flaps. [3] Contrarily, the worm lizard Bipes as its scientific name suggests has two stubby forelimbs which actually assist in digging similar to a mole. All other amphisbaenians have reduced or absent forelimb girdles.
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 ]
Scientific classification; Domain: ... Lizard is the common name used for all squamate reptiles other than snakes ... (American legless lizards)