In the department of Antioquia (Colombia) at 05°26´- 08°52´ North, 73°53´- 77°07´West (Anonymous, 1996), between 0 – 2600 m of altitude, were collected molluscsof the Ancylidae family with hand nets. Shells and animals were studied and thesamples are housed at the Malacological Collection of the University of the Stateof Rio de Janeiro (Col. Mol. UERJ) and at the Limnological Collection of theUniversity of Antioquia (CLUA). In the department, Ferrissia irrorata, Ferrissiasp., Gundlachia radiata and Uncancylus concentricus were found. All them fitswell with the typical species description except Ferrissia sp.