Assessor(s): Hollingsworth, B. & Frost, D.R.. Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team). Justification. Digital Morphology account of the Baja worm lizard, Bipes biporus, featuring CT- generated animations of the skull. The worm lizard Bipes biporus is an amphisbaenian, a type of elongate burrowing reptile that is often pink and wormlike in appearance. Bipes is the only .

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They occur in some protected areas and are considered protected wildlife under Mexican bipours catagory Pr. Three-dimensional volumetric renderings of the skull with the extracolumella, hyoid and jaw removed, and of the isolated left mandible.

Mexican mole lizard

University of California Press. No data has been collected regarding the extent, if any, of parental care performed by Bipes biporus. This motion, used by many elongate burrowing animals, occurs when one part of the body anchors in one spot while the anterior portion extends forward while pushing against the anchored spot. The forelegs are strong and paddle-like, while the hindlegs have disappeared, leaving behind only vestigial bones visible in X-rays.

The specimen was scanned by Matthew Colbert on 12 July along the coronal axis for a total of x pixel slices. Mexican Mole Lizards may act as a control on certain pest population by consuming numbers of mites, insects, and their larvae.


Bipes biporus does no harm to humans or human economic interests; however, people sometimes kill them due to their intimidating appearance. Each x pixel slice is 0. Bipes biporous Cope Accessed December 16, at http: The one characteristic that remains the same for all prey is the practice of B. Neotropical living in the southern part of the New World. Bipes biporus is an oviparous species.

The ADW Team gratefully acknowledges their support. Bipes biporus plays a role in the ecosystem as a predator on terrestrial or burrowing invertebrates. Mexican Mole Lizards build intricate burrowing systems that run horizontally right below the surface of the soil.

IUCN Red List of Threatened Species

Papenfuss on 30 December This includes Greenland, the Canadian Arctic islands, and all of the North American as far south as the highlands of central Mexico. You can help Wikipedia by expanding it. ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe.

In other projects Wikimedia Commons. The climate is seasonably cool in these areas.

Grismer, ; Papenfuss, Biogeographic Regions nearctic native neotropical native Habitat The distribution of Bipes biporus reflects the type of environment it inhabits.

Whether or not this difference was due to sampling bias or if the primary sex ratio was actually skewed could not be determined. Jessie Maisano Publication Date: In dune areas vegetation is also sparse and conditions are dry. To cite this page: About this Specimen The specimen was scanned by Matthew Colbert on 12 July along the coronal axis for a total of x pixel slices. The species only breeds underground.


If the habitat of B.

Mexican Mole Lizards will target a variety of prey including ants, ant eggs and pupae, cockroaches, termites, beetle larvae and other insect larvae, and most other small invertebrates.

Kearney, ; Papenfuss, Primary Diet carnivore eats eggs insectivore eats non-insect arthropods vermivore Animal Foods eggs insects terrestrial non-insect arthropods terrestrial worms Predation Due to its burrowing lifestyle, B.

Hollingsworth and Frost, ; Papenfuss, Their range extends throughout the southern half of the Baja California peninsula, west of the Peninsula Ranges. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

The Animal Diversity Web is an educational resource written largely by and for college students.

Bipes biporus | The Reptile Database

Help us improve the site by taking our survey. Of the specimens collected in the extensive study done by Papenfussthe ratio of adults to hatchlings stayed relatively constant throughout the study. Accessed December 31, at http: