[3] The thumbless bat belongs to the family Furipteridae (Mammalia: Chiroptera) which is currently composed of only two genera: Amorphochilus and Furipterus.

[citation needed] The first description of the species was proposed by Frédéric Cuvier in 1828, separating the taxon to a new genus Furia.

[5][6][7][8] as well as Venezuela, Colombia, Ecuador, Suriname, French Guiana, Guyana, Panama, Trinidad, and Peru.

In Brazil, it was recorded in twelve different regions covering the Amazon, Caatinga, Cerrado and Atlantic Forest biomes.

Thumbless bats were detected significantly more frequently over large lakes(Emmons and Feer 1997).