[lymnic molluscs from an alto araguaia area (brazil)]. | an analysis was carried out to determine the natural population of freshwater molluscs from 5 municipalities within the area of influence of the couto magalhães hydroelectric project. these municipalities cover a large area of the state of goiás and mato grosso do sul (brazil). in this study 624 molluscs of the following species were examined: drepanotrema anatinum, d. lucidum, d. depressissimum, biomphalaria straminea, d. schrammi, physa marmorata, lymnaea columella, pomacea and eupera. one to ... | 1991 | 1820602 |