In the course of several trips to Argentina I had the opportunity of collecting specimens of Acrorbis petricola Odhner,1937, Biomphalaria orbignyi Paraense, 1975, B. peregrina (Orbigny, 1835), B. tenagophila (Orbigny, 1835) Lymnaea viatrix Orbigny, 1835, Antillorbis nordestensis (Lucena, 1954), B. intermedia (Paraense & Deslandes, 1962), B. oligoza Paraense, 1974, B. straminea (Dunker, 1848), Drepanotrema anatinum (Orbigny, 1835), D. cimex (Moricand, 1837), D. depressissimum (Moricand, 1837), D. heloicum (Orbigny, 1835), D. kermatoides (Orbigny, 1835), D. lucidum (Pfeiffer, 1839), L. columella Say, 1817, Physa acuta Draparnaud, 1805, and P. marmorata Guilding, 1828.
Acrorbis petricola; Antillorbis nordestensis; Biomphalaria intermedia; B. oligoza; B. orbignyi; B. peregrina; B. straminea; B. tenagophila; Drepanotrema anatinum; D. cimex; D. depressissimum; D. heloicum; D. kermatoides; D. lucidum; Lymnaea columella; L. viatrix; Physa acuta; P. marmorata; synonymy; Argentina