Anguinae

Anguinae is a subfamily of legless lizards in the family Anguidae, commonly called glass lizards, glass snakes or slow worms. The first two names come from the fact their tails easily break or snap off. Members of Anguinae are native to North America, Europe, Asia, and North Africa. They first appeared in Europe during the early Eocene, around 48-49 million years ago, originating from North American ancestors that crossed the Thule Land Bridge and spread toward Asia sometime after the drying of the Turgai Strait at the beginning of the Oligocene, and then across the Bering land bridge to North America during the Miocene. Very vestigial hindlegs are present in Hyalosaurus and Pseudopus, but are entirely absent in the other genera.[1]

Anguinae
Temporal range:
An eastern glass lizard (Ophisaurus ventralis).
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Anguidae
Subfamily: Anguinae
Genera

The subfamily contains the following genera:

  • Dopasia (7 species), native to eastern Asia
  • Hyalosaurus (1 species), native to North Africa
  • Ophisaurus (6 species), native to eastern North America
  • Pseudopus (1 extant species, the Sheltopusik), native to Europe and Asia
  • Anguis - slowworms (5 species) native to Europe and Western Asia

References
  1. Lavin, & Girman, D. J. (2019). Phylogenetic relationships and divergence dating in the Glass Lizards (Anguinae). Molecular Phylogenetics and Evolution., 133, 128–140.
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