Atractus avernus Passos, Chiesse, Torres-Carvajal and Savage, 2009 female.

Holotype MLS 2725 (fig. 31), female. “Paraiso (1º14´N, 75º37´W, ca. 480 m), municipality of Florencia, Department of Caquetá, Colombia.” Brother Nicéforo María, Mar. 1951.

Remarks: Specimen MLS 2725 is hydrated and in good state of preservation.