
The Uropeltidae, also commonly known as shield-tail snakes, shield-tailed snakes or earth snakes, are a family of primitive, nonvenomous, burrowing snakes native to Peninsular India and Sri Lanka. The name is derived from the Greek words ('tail') and ('shield'), indicating the presence of the large keratinous shield at the tip of the tail. Seven or eight genera are recognized, depending on whether Teretrurus rhodogaster is treated in its own genus or as part of Brachyophidium. The family comprises over 50 species. These snakes are not well known in terms of their diversity, biology, and natura
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The Uropeltidae, also commonly known as shield-tail snakes, shield-tailed snakes or earth snakes, are a family of primitive, nonvenomous, burrowing snakes native to Peninsular India and Sri Lanka. The name is derived from the Greek words ('tail') and ('shield'), indicating the presence of the large keratinous shield at the tip of the tail. Seven or eight genera are recognized, depending on whether Teretrurus rhodogaster is treated in its own genus or as part of Brachyophidium. The family comprises over 50 species. These snakes are not well known in terms of their diversity, biology, and natural history.
==Description== thumb|left|Tails of Uropeltidae Snakes in the family Uropeltidae are small snakes, with adults growing to a total length (including tail) of . They are adapted to a fossorial way of life, which is apparent in their anatomy. The skull is primitive and inflexible, with a short, vertical quadrate bone and rigid jaws; the coronoid bone is still present in the lower jaw. The orbital bones are absent, the supratemporal is vestigial, and the eyes are small and degenerate, not covered by a brille, but by large polygonal shields. However, the pelvis and hind limbs, the presence of which is also considered a primitive trait, have disappeared in this family.
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