Lamellariinae is a subfamily of small

slug Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a smal ...

-like

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 ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s belonging to the family

Velutinidae Velutinidae is a family of small sea snails, marine gastropod molluscs in the clade Littorinimorpha.Gofas, S. (2014). Velutinidae Gray, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetail ...

, in the

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

Littorinimorpha.MolluscaBase eds. (2022). MolluscaBase. Lamellariinae d'Orbigny, 1841. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=224918 on 2022-05-26

Description

Species with internal shell, hidden beneath a papillate mantle with lateral flaps. These flaps are in some genera fused to enclose the shell. The thin shell is smooth and contains two to three

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 of which the

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 ...

is rapidly expanding into a large

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

. Some species have a thick, hairy

periostracum The periostracum ( ) is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods. Among molluscs, it is primarily seen in snails and clams, i.e. in gastropods and ...

. They resemble dorid nudibranches, but differ by their smooth tentacles and the absence of a dorsal gill circlet. P.J. Hayward and J.S. Ryland - Handbook of the Marine Fauna of North-West Europe; Oxford University Press 1995; ISBN 0 19 854054 X Most species are carnivores feeding mainly on ascidians,

tunicate A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata (). It is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time ca ...

s and

cnidarian Cnidaria () is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments, predominantly the latter. Their distinguishing feature is cnidocytes, specialized cells that th ...

Genera

Genera in the subfamily Lamellariinae include: *'' Calyptoconcha'' Bouchet & Waren, 1993 * '' Coriocella'' Blainville, 1824 * '' Hainotis'' F. Riedel, 2000 *'' Lamellaria'' Montagu, 1815 *'' Mysticoncha'' Allan, 1936 * '' Pseudosacculus'' Hirase, 1928 * Genus '' Echinospira'' Krohn, 1853 (uncertain status) ;Synonyms: * ''Chelinotus'' Swainson, 1840: synonym of ''Coriocella'' Blainville, 1824 * ''Chelyonotus'' Herrmannsen, 1846: synonym of ''Chelinotus'' Swainson, 1840: synonym of ''Coriocella'' Blainville, 1824 (unjustified emendation) * ''Cryptocella'' H. Adams & A. Adams, 1853: synonym of ''Lamellaria'' Montagu, 1816 (junior objective synonym of ''Lamellaria'') * ''Djiboutia'' Vayssière, 1912: synonym of ''Lamellaria'' Montagu, 1816 * ''Marsenia'' Oken, 1823: synonym of ''Lamellaria'' Montagu, 1816 * ''Sacculus'' Hirase, 1927: synonym of ''Pseudosacculus'' Hirase, 1928 (non Gosse, 1851)

References

* Troschel, F. H. (1848). Mollusca, Gastropoda. Pp. 536–568, in: A. F. A. Wiegmann & J. F. Ruthe, Handbuch der Zoologie, ed. 3. Lüderitz, Berlin. iv + 651 pp.

External links

*
Orbigny, A. d'. (1841-1853). Mollusques. In: R. de la Sagra (ed.). Histoire physique, politique et naturelle de l'Ile de Cuba. Arthus Bertrand, Paris. Vol 1: 1-264

Gray, J. E. (1847). On the classification of the British Mollusca by W E Leach. Annals and Magazine of Natural History. (1) 20: 267-273

https://doi.org/10.18941/venusomsj.4.1_44; https://doi.org/10.18941/venusomsj.4.3_184; https://doi.org/10.18941/venusomsj.4.4_258; https://doi.org/10.18941/venusomsj.4.5_319; https://doi.org/10.18941/venusomsj.5 Kuroda T. (1932-1935). A list of genera of Japanese Mollusca. Parts 1-6. Venus. 3(5): 282-289
{{Taxonbar, from=Q3140577 Velutinidae

Description

Genera

References

Further reading

External links