| Lacuna porrecta | |
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| Species: | L. porrecta |
| Binomial name | |
| Lacuna porrecta Carpenter, 1864 | |
Lacuna porrecta is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles. [1]
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Homalopoma, common name the dwarf turbans, is a genus of mostly very small sea snails with a calcareous operculum, marine gastropoda molluscs in the subfamily Colloniinae of the family Colloniidae.
Bittium is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiidae, the horn snails.
Mangelia is a large genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Oenopota is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Pyrgocythara is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Tricolia is a genus of sea snails, marine gastropod mollusks in the family Phasianellidae.
Haplocochlias is a genus of sea snails, marine gastropod mollusks in the family Skeneidae.
Diala is a genus of sea snails, marine gastropod mollusks in the family Dialidae.
Calyptraea, commonly known as the Chinese hat snails is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae, a family which contains the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Echinolittorina parcipicta is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Echinolittorina penicillata is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna lepidula is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna minor is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna succinea is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna uchidai is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna unifasciata is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna variegata is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.

Lacuna is a genus of sea snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles.

Velutina is a genus of small sea snails, marine gastropod mollusks in the family Velutinidae.
Cidarina cidaris, common name Adam's spiny margarite, is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.