They lack external ear openings but retain vestigial traces of a pectoral girdle. Ecology and Behavior
They are insectivores, primarily eating insects, larvae, and spiders. anniellidae
( A. geronimensis ): Restricted to coastal sand dunes in northwest Baja California. They lack external ear openings but retain vestigial
They prefer loose, moist, sandy soil, leaf litter, or dunes where they can easily burrow. They are rarely seen on the surface and spend most of their time within 2–3 inches of the soil. primarily eating insects
( A. pulchra ): Found from the San Francisco Bay Area south through central California.