Distorsio

Distorsio is a genus of medium-sized sea snails, marine gastropod mollusks in the family Personidae, the Distortio snails.[2]

Distorsio
Apertural view of a shell of Distorsio anus (Linnaeus, 1758)
Five views of a shell of Distorsio decipiens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Tonnoidea
Family: Personidae
Genus: Distorsio
Bolten, 1798 [1]
Type species
Murex anus Linnaeus, 1758
Synonyms[2]
  • Calcarella Souleyet, 1850
  • Distorsio (Distorsio) Röding, 1798
  • Distorsio (Rhysema) Clench & Turner, 1957
  • Distorta Perry, 1811
  • Distortrix Link, 1807
  • Persona Montfort, 1810

Description

The shell is subturreted. The whorls are distorted. The aperture is irregular, contracted and ringent. The siphonal canal is recurved. The inner lip is dilated lamellar and rugosely indented. The columella is excavated and verrucosely plicate. The outer lip is sinuous and internally plicato-dentate. [3]

Species

Species within the genus Distorsio include:

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
  1. Nomenclator Zoologicus info
  2. 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
  3. 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
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