List of non-marine molluscs of Brazil
The non-marine molluscs of Brazil are a part of the molluscan fauna of Brazil.
There are at least 1,074 native nominal species of non-marine molluscs living in Brazil.
There are at least 956 nominal species of gastropods, which breaks down to about 250 species of freshwater gastropods, and about 700 species of land gastropods (590 species of snails and approximately 110(?) species of slugs), plus at least 117 species of bivalves living in the wild.
There are at least 373 species of freshwater molluscs in Brazil.
The number of native species is at least 1,074 and the number of non-indigenous molluscs in Brazil is, at minimum, 32 species. The most serious invasive alien species in Paraná State are the land snail Achatina fulica and the freshwater snail Melanoides tuberculata.
In Rio Grande do Sul, 201 species and subspecies of non-marine mollusks were recorded: 156 gastropods (83 land snails + 18 slugs + 55 freshwater snails) and 45 bivalves.
In Santa Catarina, 158 species and subspecies of non-marine mollusk were recorded: 135 gastropods (103 land gastropods + 32 freshwater snails) and 23 bivalves.
The following list of freshwater gastropods is based on the two southernmost states.
...
Wikipedia