| Umbraculum | |
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| Detailed illustration of Umbraculum umbraculum from 1852 | |
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| Genus: | Umbraculum Schumacher, 1817 [1] |
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| Synonyms [2] | |
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Umbraculum, common name the "umbrella slugs" is a genus of unusual[ how? ] sea snails or false limpets, marine gastropod molluscs in the family Umbraculidae. [2]
There are probably only two species in the genus Umbraculum. [3]
Rostanga is a genus of sea slugs in the family Discodorididae. Some sources, such as The Sea Slug Forum still classify Rostanga in the family Dorididae.
The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.
The Trochidae, common name top-snails or top-shells, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda.
Limapontiidae is a taxonomic family of small to minute sacoglossan sea slugs. These are marine opisthobranch gastropod mollusks.
Umbraculidae are a taxonomic family of unusual sea snails or limpets, marine opistobranch gastropod molluscs in the clade Umbraculida.
The umbrella slug is a species of large sea snail or limpet, a marine gastropod mollusc in the family Umbraculidae. It is found in tropical to warm temperate parts of the Indo-Pacific and Atlantic Oceans, where it feeds on sponges.
Ranella is a genus of large warm-water and tropical sea snails, marine gastropod molluscs in the family Ranellidae, the tritons.
Hipponicidae, common name hoof shells or hoof snails, is a family of small sea snails, limpet-like marine gastropod molluscs in the superfamily Vanikoroidea.
Hipponix, common name hoof snails or hoof shells, is a genus of small sea snails with limpet-like shells, marine gastropod molluscs in the family Hipponicidae, the hoof snails. Many of the species in this genus have white shells.
Isognomon is a genus of marine bivalve mollusks which is related to the pearl oysters.
Arminidae is a family of sea slugs, marine gastropod mollusks in the superfamily Arminoidea.
Patella is a genus of sea snails with gills, typical true limpets, marine gastropod mollusks in the family Patellidae, the true limpets.
Clavatulidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Conoidea. The family is not well differentiated morphologically.
Voluta is a genus of medium to large sea snails, marine gastropod molluscs in the family Volutidae, the volutes.
Mexichromis is a genus of colourful sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Chromodorididae. Current synonymy follows a revision of Chromodorididae which used molecular phylogeny.
Haustellum is a genus of medium-sized sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails. Like many other genera within the Muricidae, the genus has been redefined several times.
Simnia is a genus of sea snails, marine gastropod mollusks in the family Ovulidae.
Niso is a genus of very small parasitic sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.
Melanochlamys is a genus of headshield slugs in the family Aglajidae. Despite the appearance of its species, this genus must not be confused with nudibranchs.
Aegires albus is a species of sea slug, a nudibranch, a marine, opisthobranch gastropod mollusk in the family Aegiridae. Its synonym Anaegires protectus Odhner, 1934 is the type species of the genus Anaegires Odhner, 1934 which was merged with Aegires by Wägele in 1987.