Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell.
Truncatella is a genus of very small land snails with an operculum, terrestrial gastropod mollusks in the family Truncatellidae. These small and minute snails live on land, very close to seawater. They walk with a strange looping action, and the adults have truncated shells. Many of the species are small enough to be considered micromollusks.
Myosotella myosotis, common name the mouse ear snail, is a European species of small salt marsh snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae.
Truncatella pulchella is a species of very small land snail that lives at the edge of the sea, a gastropod mollusk in the family Truncatellidae. This species lives on coastlines in the tropical western Atlantic.
Nerita fulgurans is a species of sea snail, a marine gastropod mollusk in the family Neritidae.
Cerithium muscarum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.
Litiopa melanostoma, common name the brown Sargassum shell, is a species of very small sea snail, a marine gastropod mollusk or micromollusk in the family Litiopidae.
Bostrycapulus aculeatus is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and hat snails.
Calyptraea centralis is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Crepidula maculosa is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Crucibulum striatum, common name the striate cup-and -saucer, is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Capulus ungaricus, common name the bonnet shell, is a species of medium-sized sea snail, a marine gastropod mollusk in the family Capulidae, the cap snails.
Littoraria flava is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Cryptonatica affinis, common name the Arctic moonsnail, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Tectonatica pusilla is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Hespererato maugeriae is a species of small sea snail, a marine gastropod mollusk in the family Eratoidae, the false cowries or trivias and allies.
Dendropoma exsertum is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Truncatella caribaeensis is a species of a very small somewhat amphibious land snail with a gill and an operculum, a semi-terrestrial gastropod mollusk or micromollusk in the family Truncatellidae, the truncatella snails or looping snails. These tiny snails live in damp habitat that is very close to the edge of the sea; they can tolerate being washed with saltwater during especially high tides. These snails are sometimes listed as land snails and at other times they are listed as marine snails.
Cerithiopsis academicorum is a species of very small sea snail, a marine gastropod mollusk in the family Cerithiopsidae. This species is known from the Caribbean Sea and the Gulf of Mexico. It was described by Emilio Rolán and José Espinosa in 1996.
Cerithiopsis althea is a species of very small sea snail, a marine gastropod mollusk in the family Cerithiopsidae. This species was described by William Healey Dall in 1927.
