Bipes (genus)

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Bipes biporus.jpg
Bipes biporus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Clade: Amphisbaenia
Family: Bipedidae
Genus: Bipes
Latreille, 1801

Bipes alvarezi [1]
Bipes biporus (Cope, 1894)
Bipes canaliculatus Latreille, 1801
Bipes tridactylus (Dugès, 1894)[2]

Bipes is a genus of amphisbaenians found only in Mexico, the sole living member of the family Bipedidae.[3] Commonly known as ajolotes, they are carnivorous, burrowing reptiles, but unlike other species of amphisbaenians, they possess two stubby forelimbs placed far forward on the body.[4] The shovel-like limbs are used to scrape away soil while burrowing through the soil, in a manner similar to a mole.[5] Evidence for their occurrence in the United States is reviewed by Somma (1993).


  1. ^ Wikispecies.
  2. ^ ITIS (Integrated Taxonomic Information System).
  3. ^ Longrich, N. R.; Vinther, J.; Pyron, R. A.; Pisani, D.; Gauthier, J. A. (2015). "Biogeography of worm lizards (Amphisbaenia) driven by end-Cretaceous mass extinction". Proceedings of the Royal Society B: Biological Sciences 282 (1806): 20143034. doi:10.1098/rspb.2014.3034. 
  4. ^
  5. ^ Gans, Carl (1998). Cogger, H.G., & Zweifel, R.G., ed. Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 216–217. ISBN 0-12-178560-2. 

Animal Diversity Web

Further reading[edit]

  • Latreille, P.A. in Sonnini, C.S., and P.A. Latreiile. 1801. Histoire naturelle des reptiles, avec figures desinées d'après nature; Tome II. Premiere partie. Quadrupèdes et bipèdes ovipares. Crapalet. Paris. 332 pp. (Bipes, pp. 90–96.)
  • Taylor, E.H. 1951. Concerning Oligocene Amphisbaenid Reptiles. Univ. Kansas Sci. Bull. 34 (9): 521-579. (Bipedidae, p. 522.)

External links[edit]