''Distorsio'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of medium-sized

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Personidae The Personidae are a family of sea snails, marine gastropod molluscs in the order Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails ( marine species), but also including some freshwate ...

, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138329 on 2015-12-27

Description

The shell is subturreted. The

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). In nature File:Photograph and axial plane floral diagra ...

s are distorted. The

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

is irregular, contracted and ringent. The

siphonal canal The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water i ...

is recurved. The inner

lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...

is dilated lamellar and rugosely indented. The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

is excavated and verrucosely plicate. The outer lip is sinuous and internally plicato-dentate.Adams, H. & Adams, A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls
/ref>

Species

Species within the genus ''Distorsio'' include: * ''

Distorsio anus ''Distorsio'' is a genus of medium-sized sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed thro ...

'' (Linnaeus, 1758) * † '' Distorsio biangulata'' Beu, 2010 * '' Distorsio burgessi'' Lewis, 1972 * † ''

Distorsio cancellina ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' (Lamarck, 1803) * '' Distorsio clathrata'' (Lamarck, 1816) * '' Distorsio constricta'' (Broderip, 1833) * '' Distorsio decussata'' (Valenciennes, 1832) * † ''

Distorsio djunggranganensis ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' (K. Martin, 1916) * ''

Distorsio euconstricta ''Distorsio euconstricta'' is a species of medium-sized sea snail, a marine gastropod mollusk in the family Personidae, the ''Distortio'' snails. Description The length of the shell attains 64 mm. Distribution This marine species has a wide ...

'' Beu, 1987 * † ''

Distorsio floridana ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' (J. Gardner, 1947) † * ''

Distorsio globosa ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' Nolf, 2014 * ''

Distorsio graceiellae ''Distorsio graceiellae'' is a species of medium-sized sea snail, a marine gastropod mollusk in the family Personidae, the ''Distortio'' snails. Description The length of the shell attains 30 mm. Distribution This marine species occurs off t ...

'' Parth, 1989 * ''

Distorsio habei ''Distorsio habei'' is a species of medium-sized sea snail, a marine gastropod mollusk in the family Personidae, the ''Distortio'' snails. Description The length of the shell attains 62 mm. Distorsio habei is commonly known as the Habe's dist ...

'' Lewis, 1972 * ''

Distorsio kurzi ''Distorsio kurzi'', common name Kurz's distorsio, is a species of medium-sized sea snail, a marine gastropod mollusk in the family Personidae, the ''Distortio'' snails. Description The size of the shell varies between . Distribution This ma ...

'' Petuch & Harasewych, 1980 * ''

Distorsio mcgintyi ''Distorsio mcgintyi'' is a species of medium-sized sea snail, a marine gastropod mollusk in the family Personidae, the ''Distortio'' snails.MolluscaBase eds. (2023). MolluscaBase. Distorsio mcgintyi W. K. Emerson & Puffer, 1953. Accessed throu ...

'' Emerson & Puffer, 1953 * † ''

Distorsio metableta ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' (Cossmann, 1903) * ''

Distorsio micalii ''Distorsio'' is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the ''Distortio'' snails.Rosenberg, G.; Gofas, S. (2015). Distorsio. In: MolluscaBase (2015). Accessed through: World Register of Marine Sp ...

'' T. Cossignani, 2023 * '' Distorsio minoruohnishii'' Parth, 1989 * '' Distorsio muehlhaeusseri'' Parth, 1990 * '' Distorsio parvimpedita'' Beu, 1998 * '' Distorsio perdistorta'' Fulton, 1938 * '' Distorsio reticularis'' (Linnaeus, 1758) * '' Distorsio ridens'' (Reeve, 1844) * † '' Distorsio ringens'' (R. A. Philippi, 1887) * † '' Distorsio simillima'' (G. B. Sowerby I, 1850) * '' Distorsio smithi'' (von Maltzan, 1884) * '' Distorsio somalica'' Parth, 1990 Species which are synonyms or were incorrectly placed in the genus ''Distorsio'': * ''Distorsio acuta'' Perry, 1811: synonym of '' Distorsio reticularis'' (Linnaeus, 1758) * ''Distorsio arcularia'' Röding, 1798: synonym of '' Nassarius arcularia arcularia'' (Linnaeus, 1758) * ''Distorsio communis'' Röding, 1798: synonym of '' Nassarius stolatus'' (Gmelin, 1791) * ''Distorsio decipiens'' (Reeve, 1844): synonym of '' Distorsio reticularis'' (Linnaeus, 1758) * ''Distorsio francesae'' Iredale, 1931: synonym of '' Distorsio reticularis'' (Linnaeus, 1758) * ''Distorsio horrida'' Kuroda & Habe in Habe, 1961: synonym of '' Distorsio perdistorta'' Fulton, 1938 * ''Distorsio jenniernestae'' Emerson & Piech, 1992: synonym of '' Distorsio ridens'' (Reeve, 1844) * ''Distorsio lewisi'' Beu, 1978: synonym of '' Distorsionella lewisi'' (Beu, 1978) * ''Distorsio mcgintyi'' Emerson & Puffer, 1953: synonym of ''Distorsio constricta mcgintyi'' Emerson & Puffer, 1953 * ''Distorsio muricina'' Röding, 1798: synonym of '' Gutturnium muricinum'' (Röding, 1798) * ''Distorsio plicata'' Röding, 1798: synonym of '' Nassarius arcularia plicatus'' (Röding, 1798) * ''Distorsio pusilla'' Pease, 1861: synonym of '' Distorsomina pusilla'' (Pease, 1861) * ''Distorsio reticulata'' Röding, 1798: synonym of '' Distorsio reticularis'' (Linnaeus, 1758) * ''Distorsio robinsoni'' Petuch, 1987: synonym of '' Distorsio clathrata'' (Lamarck, 1816) * † ''Distorsio septemdentata'' Gabb, 1860: synonym of † '' Personopsis septemdentata'' (Gabb, 1860) * ''Distorsio ventricosa'' Kronenberg, 1994: synonym of '' Distorsio muehlhaeusseri'' Parth, 1990

References

{{Taxonbar, from=Q3170203 Personidae