Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the superfamily Rissooidea and the order Littorinimorpha.
Alvania cimicoides is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Benthonellania colombiana is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania porcupinae is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Crisilla simulans is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Onoba is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Savatieria is a genus of sea snails, marine gastropod mollusks in the family Buccinidae.
Alvania aliceae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania albachiarae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania annetteae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania bartolinorum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania bermudensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania bozcaadensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania desabatae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania fenestrata is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania gallegosi is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.
Alvania gofasi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania halia is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania uapou is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
