Kilwa sharp-snouted worm lizard

The Kilwa sharp-snouted worm lizard (Ancylocranium ionidesi) is a species of amphisbaenian in the family Amphisbaenidae. The species is endemic to Tanzania. There are two recognized subspecies.

Etymology
The specific name, ionidesi, is in honor of British game warden Constantine John Philip Ionides (1901–1968), who was known as the "Snake Man of British East Africa".

Geographic range
A. ionidesi is found in southeastern Tanzania.

Habitat
The preferred natural habitat of A. ionidesi is forest, at altitudes around 500 m.

Behavior
A. ionidesi is terrestrial and fossorial.

Diet
A. ionidesi preys upon small invertebrates such as termites.

Reproduction
A. ionidesi is oviparous. Clutch size is one egg.

Subspecies
There are two subspecies that are recognized as being valid, including the nominotypical subspecies.
 * Ancylocranium ionidesi haasi Gans & Kochva, 1966
 * Ancylocranium ionidesi ionidesi Loveridge, 1955