any primitive burrowing snake characterized by remnants of a pelvic girdle and belonging to the genera Cylindrophis, Anilius, or Anomochilus. Each genus represents a distinct family: the Cylindrophiidae, Aniliidae, and Anomochilidae, respectively. All are small to moderately sized snakes with smooth glossy scales and a small head that is indistinct from the neck. They are harmless nocturnal animals that burrow in mud and loose soil.
Learn more about pipe snake with a free trial on Britannica.com.