Family Typhlopidae
Anillotyphlops sp.
Materials examined. PUERTO RICO – Arecibo • Mata de Plátano Field Station and Nature Reserve; 18.414, -66.729; 151 m above sea level; Justin Matthew Bernstein, Camilo Andrés Calderón-Acevedo, Pedro Ivo Mônico, Lázaro Willian Viñola-Lopez, J. Angel Soto-Centeno; Individual 1 – found in abandoned termite nest on side of trail ~ 2 m above the ground, ~125 m southwest of field station, at 11:00 PM. Individual quickly escaped and fell down an escarpment upon discovery.
Identification. Individual could not be identified to the species level, but is distinguished from all other snakes on the island by its smooth, shiny scales, extremely small size with cylindrical body (~15 cm total length), neck not visibly distinct from head, and the utilization of termite nest microhabitats.