Benthonellania colombiana 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.
Simulamerelina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Pleurofusia is an extinct genus of sea snails, marine gastropod molluscs in the family Drilliidae.
Petrafixia annemariae is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pleurotomella eomargaritata is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Alvania aturensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania diadema is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania argillensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania discazalorum is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania foraminata is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania parazosta is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania riparia is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania sanctipaulensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania stephanensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania sublagouardensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania virodunensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania mariae is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Alvania doliolum is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania falsivenus is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
