| Lacuna lepidula | |
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| Species: | L. lepidula | 
| Binomial name | |
| Lacuna lepidula  A. Adams, 1863 | |
Lacuna lepidula is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles. [1]
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The Trochidae, common name top-snails or top-shells, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda.

Agatha is a small genus of minute sea snails or marine gastropod mollusks within the subfamily Syrnolinae, which is a part of the family Pyramidellidae.

Coralliophila is a genus of sea snails, marine gastropod mollusks in the subfamily Coralliophilinae, the coral snails, within the family Muricidae, the murex snails and rock snails.
Magilus is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.

Chicoreus is a genus of medium to large sized predatory sea snails. These are carnivorous marine gastropod molluscs in the family Muricidae, the murexes or rock snails.

Stomatella is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Trochidae, the top snails and their allies.

Diala is a genus of sea snails, marine gastropod mollusks in the family Dialidae.
Lacuna carinifera is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna decorata is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna latifasciata 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 porrecta is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
Lacuna setonaikaiensis 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 turrita 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.
Syrnola is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.