Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:16
Specimens with Sequences:15
Specimens with Barcodes:14
Species:5
Species With Barcodes:4
Public Records:13
Public Species:4
Public BINs:7
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Wikipedia

Amphisbaenidae

The Amphisbaenidae are a family of amphisbaenians, commonly known as worm lizards.

Geographic range[edit]

Amphisbaenids occur in South America, some Caribbean islands, and in Sub-Saharan Africa.

Taxonomy[edit]

One deep-branching and somewhat aberrant genus, Blanus, is native to Europe, and may represent a distinct family.[1]

Description[edit]

Members of the family are limbless, burrowing, lizards with carnivorous diets. As in other amphisbaenians, the body bears rings of scales, which gives amphisbaenids a worm-like appearance. The heads are massively constructed and used for burrowing, with powerful jaws and large, recurved teeth used for seizing prey. Some species have spade-like heads, while others have a narrow keel on their heads, and still others have a rounded skull.[1] The eyes are highly reduced, while the ear bone, or stapes, is large and massively built. Together with another bone, the extracollumella, the stapes is used to detect vibrations of prey items, allowing amphisbaenids to be able to hunt for invertebrate underground.

Genera[edit]

Over 120 species are in the family, grouped into 17 genera:

References[edit]

  1. ^ a b Gans, Carl (1998). Cogger, H.G., & Zweifel, R.G, ed. Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. p. 216. ISBN 0-12-178560-2. 

Further reading[edit]

  • Gans, C. 2005. Checklist and Bibliography of the Amphisbaenia of the World. Bull. American Mus. Nat. Hist. (289): 1-130.
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