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Genera
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Leiosauridae
 
Smooth Iguanas
Seidenleguane*
Silkeleguaner*
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Contents:
(as of 31st December, 2022) | Endemicity:
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6 genera of which 2 (33.3%) are endemic | 0%  100%
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34 species of which 27 (79.4%) are endemic | 0%  100%
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Remarks:
The genera contained in this family were previously included in the family
Iguanidae (e.g., Peters & Donoso-Barros 1970). Separate family status was given by Frost & Etheridge (1989) as Polychridae, in which family they also included the genera later assigned to
Dactyloidae and
Leiosauridae. Subsequently, the family name was corrected by Frost, Etheridge, Janies & Titus (2001) to
Polychrotidae, and they named a new family, Leiosauridae, for the genera now assigned to this family.
Distribution:
South America.
Reported from:
Argentina,
Bolivia,
Brazil,
Chile,
Paraguay,
Uruguay.
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