What are gastropods?

Some articles on gastropods, gastropod:

List Of Non-marine Molluscs Of New Zealand
... There are a total of ??? species of gastropods, which breaks down to ?? species of freshwater gastropods, and ??? species of land gastropods (??? species of snails and ??? species of slugs), plus ... Summary table of number of species New Zealand freshwater gastropods ?? land gastropods ??? (??? species of snails and ??? species of slugs) gastropods altogether ??? bivalves ?? molluscs ...
Sea Snail
... is a common name for snails that normally live in saltwater- marine gastropod molluscs ... land snails and freshwater snails.) Sea snails are marine gastropods with shells ... Those marine gastropods with no shells, or only internal shells, are variously known by other common names, including sea slug, sea hare, nudibranch ...
Sensory Organs Of Gastropods
... The sensory organs of gastropods (snails and slugs) include olfactory organs, eyes, statocysts and mechanoreceptors ... Gastropods have no sense of hearing ...
List Of Non-marine Molluscs Of 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 ... Summary table of number of species Brazil freshwater gastropods about 250 land gastropods about 700 (590 species of snails and 110(?) species of slugs) gastropods altogether over 950 bivalves at least 117 ... non-marine molluscs from Santa Catarina 135 gastropods (103 land gastropods + 32 freshwater snails) and 23 bivalves ...