| Marseniopsis | |
|---|---|
 | |
| Marseniopsis antarctica (holotype at MNHN, Paris) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Velutinoidea |
| Family: | Velutinidae |
| Genus: | Marseniopsis Bergh, 1886 |
| Type species | |
| Marseniopsis pacificaBergh, 1886 | |
Marseniopsis is a genus of small slug-like sea snails, marine gastropod molluscs in the subfamily Velutininae within the family Velutinidae. [1]
Janolus is a genus of small to large sea slugs, or more accurately nudibranchs, marine gastropod mollusks, in the family Janolidae. The name Janolus is derived from the two-headed god Janus, in ancient Roman mythology.
Lamellaria is a genus of small slug-like sea snails, marine gastropod molluscs in the family Velutinidae.
Rudolph Bergh, full name Ludvig Sophus Rudolph Bergh, was a Danish physician and malacologist. He worked in Copenhagen.
Pleurobranchus is a genus of sea slugs, specifically side-gill slugs, marine gastropod mollusc in the family Pleurobranchidae.
Discodorididae is a taxonomic family of sea slugs, specifically dorid nudibranchs, marine gastropod mollusks in the superfamily Doridoidea.
Velutinidae is a family of small sea snails, marine gastropod molluscs in the clade Littorinimorpha.
Dendrodoris is a genus of nudibranchs, marine gastropod molluscs in the family Dendrodorididae.
Caloria is a genus of colorful sea slugs, aeolid nudibranchs. They are marine gastropod molluscs in the family Facelinidae.
Discodoris is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod molluscs in the family Discodorididae.
Phyllidiopsis is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod molluscs and is the largest genus within the family Phyllidiidae.
Marionia is a genus of sea slugs, specifically dendronotid nudibranchs, marine gastropod molluscs in the family Tritoniidae.
Typhlomangelia cariosa is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
Xanthodaphne xanthias is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Puncturella agger is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Alvania euchila is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Alvania tarsodes is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Crisilla quisquiliarum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Powellisetia is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Rissoidae.
Cuthonella is a genus of sea slugs, specifically aeolid nudibranchs, marine gastropod molluscs in the family Cuthonellidae.
Doris kerguelenensis is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Dorididae.