Two new Hirtudiscus species are described from Colombia. Hirtudiscus triserialis n. sp. from the Departamento Cundinamarca is characterized by a large shell with three rows of up to 1 mm long hairs at the periphery and a distinctly sunken spire. Hirtudiscus antiochiensis n. sp. from the Departamento Antiochia is characterized by a moderately large shell with moderately dense growth striae and hairs up to 0.5 mm long.
