| Costaclis | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Eulimidae |
| Genus: | Costaclis Bartsch, 1947 |
| Type species | |
| Aclis nucleataDall, 1889 | |
Costaclis is a genus of medium-sized sea snails, marine gastropod mollusks in the family Eulimidae. [1]
The species within this genus include the following:
Marginella is a very large genus of small tropical and temperate sea snails, marine gastropod molluscs in the subfamily Marginellinae of the family Marginellidae, the margin snails. It is a type of genus family.
Solariella is a genus of small to minute sea snails, marine gastropod molluscs in the family Solariellidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
Daphnella is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.

Pleurotomella is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Aforia is a genus of sea snails, marine gastropod mollusks in the family Cochlespiridae.
Gymnobela is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Mangelia is a large genus of sea snails, marine gastropod mollusks in the family Mangeliidae.

Benthomangelia is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Leptothyra is a genus of sea snails, marine gastropod mollusks in the family Colloniidae.
Margarites is a genus of sea snails, marine gastropod mollusks in the family Margaritidae.
Hyalina is a genus of sea snails, marine gastropod mollusks in the subfamily Pruninae of the family Marginellidae, the margin snails.
Prunum is a genus of sea snails, marine gastropod mollusks in the subfamily Pruninae of the family Marginellidae, the margin snails.
Simnia is a genus of sea snails, marine gastropod mollusks in the family Ovulidae.
Eudolium is a genus of large sea snails, marine gastropod mollusks in the family Tonnidae, the tun shells.
Niso is a genus of very small parasitic sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.
Cycloscala is a genus of predatory sea snails, marine prosobranch gastropod mollusks in the family Epitoniidae, commonly known as wentletraps.
Borsonia is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.
Spirotropis is a genus of sea snails, marine gastropod mollusks in the family Drilliidae.
Hemiaclis is a genus of sea snails, marine gastropod mollusks in the family Eulimidae.
Aclis is a genus of small sea snails, marine gastropod mollusks in the family Eulimidae.