Heterobranchia, the heterobranchs, is a taxonomic clade of snails and slugs, which includes marine, aquatic and terrestrial gastropod mollusks.
Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromolluscs.
Trimusculus is a genus of medium-sized air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Trimusculidae.
Mandarina luhuana is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Bradybaenidae. This species is endemic to Chichi-jima and Minami-jima of the Bonin Islands in Japan.
Euspira is a genus of medium-sized sea snails, marine gastropod molluscs in the subfamily Polinicinae of the family Naticidae, the moon snails.
Scurria variabilis is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets.
Colus gracilis is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks and the like.
Colus holboelli is a species of sea snail, a marine gastropod mollusk in the family Colidae, the true whelks and the like.
Colus islandicus is a species of sea snail, a marine gastropod mollusk in the family Colidae, the true whelks and the like.
Colus sabini is a species of sea snail, a marine gastropod mollusk in the family Colidae, the true whelks and the like.
Colus is a genus of sea snails, marine gastropod mollusks in the family Colidae, the true whelks and the like.
Olivella pulchella is a species of small sea snail, marine gastropod mollusk in the subfamily Olivellinae, in the family Olividae, the olives. Species in the genus Olivella are commonly called dwarf olives.
Olivella semistriata is a species of small sea snail, a marine gastropod mollusk in the family Olividae, the olives. Species in the genus Olivella are commonly called dwarf olives With the very similar Olivella columellaris it forms the subgenus Pachyoliva. Both species are suspension feeders. They use unique appendages of the propodium to deploy mucus nets which capture suspended particles from the backwash on sandy beaches of the tropical eastern Pacific. Olivella semistriata is a swash-surfer; the snails use their expanded foot as an underwater sail to follow the tidal movement of the backwash zone in which they feed.
Agaronia is a genus of sea snails, marine gastropod mollusks in the family Olividae.
Trochita is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Littoraria undulata, common name the robust shell, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Melanella is a genus of very small ectoparasitic sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.
Eulima is a genus of small, ectoparasitic sea snails, marine gastropod mollusks in the family Eulimidae.
Penion mandarinus, common name the mandarin penion, southern siphon whelk or Waite's buccinum whelk, is a species of medium-to-large predatory sea snail or whelk, a marine gastropod mollusc in the family Buccinidae, the true whelks.
Fissilabia is a genus of sea snails, marine gastropod mollusks in the family Planaxidae.
