Broadley, Donald G., and Van Wallach. 2009. “A Review of the Eastern and Southern African Blind-Snakes (Serpentes: Typhlopidae), Excluding Letheobia Cope, With the Description of Two New Genera and a New Species”. Zootaxa 2255 (1). Auckland, New Zealand:1–100. https://doi.org/10.11646/zootaxa.2255.1.1.