Glass lizard = glass snake: legless lizards from the genera Dopasia (Asian glass lizards) and Ophisaurus (North American glass lizards) as well as the species
Ophisaurus koellikeri (Moroccan glass lizard) and
Pseudopus apodus (
sheltopusik or Pallas’ glass lizard).You can tell they’re lizards because they have external ear holes and movable eyelids. Some glass lizards have vestigial legs:
But they don’t do anything!
Slowworm = blindworm: genus of lizard closely related to glass lizards, but no one calls them glass lizards. Similar in most ways to glass lizards.
Worm lizards = Amphisbaenia: a clade of legless reptiles consisting of 6 families that are neither lizards nor snakes, though they are more closely related to lizards. They like to SCREAM. They can usually be identified by their ring shaped scales, a trait that has resulted in their common name of ‘worm lizards.’ Some worm lizards have vestigial legs, but all known species with this trait are contained in the genus Bipes:
Like this fine fellow.
Snake-lizards =
flap-footed lizards: legless lizards of the family Pygopodidae. These lizards are natives of Australia, and as such, are upside down. All Pygopodidae have vestigial hind legs. They’re a type of gecko!
NONE OF THESE BOYS ARE SNAKES
There are a lot of other kinds of legless lizards, but these are the most common/well known.
(side note: the name
Pallas’ glass lizard
comes from the same Pallas who is in the name Pallas’s Cat)
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