''Moelleriopsis'' is a genus of

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusks unassigned in the

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

Seguenzioidea.

Description

The small shell of these deep-water species is relatively thin. It is white under a golden brown or olive brown epidermis. It contains few, convex

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s, forming an elevated spire and large

body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the b ...

. The suture is distinct. The round and deep umbilicus has a moderate size, showing some of the whorls. The circular aperture is slightly oblique. The peristome is continuous with a thin, sharp edge, appearing thickened within. It is attached to the body whorl only for a short distance.

Species

Species within the genus ''Moelleriopsis'' include: * '' Moelleriopsis abyssicola'' Bush, 1897 * ''

Moelleriopsis atlantis ''Moelleriopsis'' is a genus of sea snails, marine (ocean), marine gastropod mollusks unassigned in the superfamily (biology), superfamily Seguenzioidea. Description The small shell of these deep-water species is relatively thin. It is white und ...

'' Hoffman, Gofas & Freiwald, 2020 * †''

Moelleriopsis carinaspira ''Moelleriopsis carinaspira'' is an extinct species of sea snail, a marine gastropod mollusk, unassigned in the superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It ...

'' Lozouet, 1999 * '' Moelleriopsis gritta'' Hoffman in Hoffman, Gofas & Freiwald, 2020 * ''

Moelleriopsis messanensis ''Moelleriopsis messanensis'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea. Description The size of the shell varies between 1.6 mm and 2.4 mm. Distribution This species occurs in ...

'' (Seguenza, 1876) * ''

Moelleriopsis meteorminora ''Moelleriopsis'' is a genus of sea snails, marine gastropod mollusks unassigned in the superfamily Seguenzioidea. Description The small shell of these deep-water species is relatively thin. It is white under a golden brown or olive brown epi ...

'' Hoffman, Gofas & Freiwald, 2020 * ''

Moelleriopsis nipponica ''Moelleriopsis nipponica'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies ...

'' (Okutani, 1964) * ''

Moelleriopsis normani ''Moelleriopsis normani'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea. Description Distribution This species occurs in the Atlantic Ocean off the Azores ) , motto =( en, "Rather die fre ...

'' (Dautzenberg & H. Fischer, 1897) * ''

Moelleriopsis poppei ''Moelleriopsis poppei'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies a ...

'' Engl, 2012 * ''

Moelleriopsis richardi ''Moelleriopsis richardi'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea. Description Distribution This species occurs in the Atlantic Ocean at bathyal depths off the Azores ) , motto =( ...

'' (Dautzenberg & H. Fischer, 1896) * ''

Moelleriopsis sincera ''Moelleriopsis sincera'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies ...

'' (Dall, 1890) * ''

Moelleriopsis valvatoides ''Skenea valvatoides'' is a species of small sea snail, a marine gastropod mollusk in the family Skeneidae. Description The diameter of the shell attains 3.1 mm. The rather solid, yellowish white shell is narrowly umbilicated. it is opaque ...

'' (Jeffreys, 1883) * ''

Moelleriopsis vemae ''Moelleriopsis vemae'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies a ...

'' (Clarke, 1961) * ''

Moelleriopsis watsoni ''Moelleriopsis watsoni'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea Seguenzioidea is a superfamily of minute to medium-sized sea snails, marine gastropod mollusks in the clade Vetigastro ...

'' (Tryon, 1888) ;Species brought into synonymy: * ''Moelleriopsis valvatoides'' (Jeffreys, 1883): synonym of ''

Skenea valvatoides ''Skenea valvatoides'' is a species of small sea snail, a marine gastropod mollusk in the family Skeneidae. Description The diameter of the shell attains 3.1 mm. The rather solid, yellowish white shell is narrowly umbilicated. it is opa ...

'' (Jeffreys, 1883)

References

* Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213 * Spencer, H.; Marshall. B. (2009). ''All Mollusca except Opisthobranchia.'' In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp

External links

Bush, K. (1897). Revision of the marine gastropods referred to Cyclostrema, Adeorbis, Vitrinella and related genera with descriptions of some new genera and species belonging to the Atlantic fauna of America. Transactions of the Connecticut Academy of Arts and Sciences. 10: 97-144.

Clarke, A. H. (1961). Abyssal mollusks from the South Atlantic Ocean. Bulletin of the Museum of Comparative Zoology. 4, 345-387

Serge GOFAS, Ángel A. LUQUE, Joan Daniel OLIVER, José TEMPLADO & Alberto SERRA (2021) - The Mollusca of Galicia Bank (NE Atlantic Ocean); European Journal of Taxonomy 785: 1–114
{{Taxonbar, from=Q6890154