| Retusa | |
|---|---|
 | |
| Live Retusa sp. | |
 | |
| Retusa leptoeneilema | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Cephalaspidea |
| Superfamily: | Bulloidea |
| Family: | Retusidae |
| Genus: | Retusa T. Brown, 1827 [1] |
| Type species | |
| Bulla obtusa Montagu, 1803 | |
| Synonyms [2] | |
| |
Retusa is a genus of very small head-shield sea snails or barrel-bubble snails, marine gastropod molluscs in the family Retusidae. [2]
Species within the genus Retusa include:
Bulla is a genus of medium to large hermaphrodite sea snails, shelled marine opisthobranch gastropod molluscs. These herbivorous snails are in the suborder Cephalaspidea, headshield slugs, and the order Opisthobranchia.
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Scissurella is a genus of minute sea snails, marine gastropod molluscs in the family Scissurellidae, the small slit snails.
Natica is a genus of small to medium-sized predatory sea snails, marine gastropods in the subfamily Naticinae of the family Naticidae, the moon snails. The genus was erected by Giovanni Antonio Scopoli in 1777.
Cylichna is a genus of sea snails or bubble snails, marine gastropod molluscs in the family Cylichnidae, the "chalice bubble snails".
Philine is a genus of sea slugs or sea snails, marine gastropod molluscs in the subfamily Philininae of the family Philinidae, the headshield slugs or paper bubbles.
Menestho is a genus of very small sea snails, pyramidellid gastropod mollusks, or micromollusks.
Acteon is a genus of small sea snails, predatory marine gastropod mollusks in the family Acteonidae, the barrel bubble snails.
Haedropleura is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.
Mangelia is a large genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Bela is a genus of sea snails; marine gastropod mollusks in the family Mangeliidae.
Onoba is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Rissoa is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Eulima is a genus of small, ectoparasitic sea snails, marine gastropod mollusks in the family Eulimidae.
Cerithiella is a genus of minute sea snails, marine gastropod molluscs in the family Newtoniellidae.
Turbonilla is a large genus of ectoparasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.
Acteocina is a genus of very small sea snails, bubble snails, marine opisthobranch gastropod mollusks in the family Tornatinidae, the canoe bubbles or chalice bubble snails.
Aclis is a genus of small sea snails, marine gastropod mollusks in the family Eulimidae.
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