| Alvania deweti | |
|---|---|
| | |
| Drawing of a shell of Alvania deweti (holotype) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | A. beyersi |
| Binomial name | |
| Alvania beyersi (Thiele, 1925) | |
| Synonyms | |
| |
Alvania deweti is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae. [1]
This marine species occurs on the Agulhas Bank, South Africa.

Bela alma is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pleurotomella ursula is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Acinodrillia paula is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Splendrillia eva is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Chryseofusus bonaespei is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Ancillina sumatrana is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae.
Melanella agulhasensis is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Melanella.
Melanella cylindrica is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Melanella.
Melanella gratiosa is a species of sea snail, a marine gastropod mollusk in the family Eulimidae..
Melanella jucunda is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.
Melanella modesta is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.
Maoritomella eva is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
Microdrillia sansibarica is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
Leiocithara macrocephala is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Leiocithara musae is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pseudorhaphitoma albula is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
Pseudorhaphitoma alma is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
Alvania beyersi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania nicobarica is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

Alvania sombrerensis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.