Temporal range: Early Eocene – Present, 55–0 Ma
|The extant bipedid Bipes biporus|
Bipedidae is a family of amphisbaenian lizards that includes the extant genus Bipes represented by four species from Mexico and the extinct genus Anniealexandria represented by one species that lived in what is now Wyoming during the earliest Eocene approximately 55 million years ago. Phylogenetic analysis indicates that Bipedidae is most closely related to the family Blanidae, which includes the living genus Blanus.
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