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Thyca

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Genus of gastropods

Thyca
Shell of Thyca crystallina
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Eulimidae
Genus: Thyca
H. Adams & A. Adams, 1854
Type species
Pileopsis astericola
A. Adams & Reeve, 1850
Synonyms
  • Bessomia Berry, 1959
  • Capulus (Thyca)
  • Granulithyca Habe, 1976
  • Kiramodulus Kuroda, 1949
  • Thyca (Bessomia) Berry, 1959 · accepted, alternate representation
  • Thyca (Kiramodulus) Kuroda, 1949 · accepted, alternate representation
  • Thyca (Thyca) H. Adams & A. Adams, 1854 · accepted, alternate representation

Thyca is a genus of small sea snails, marine gastropod mollusks in the family Eulimidae. These snails are ectoparasites of starfish; they are relatively unmodified, the underside having become a suction disc with a central mouth that draws nourishment from the host's tissues.

Description

The conical shell is longitudinally grooved, transparent and slightly curved.

Species

Species within the genus Thyca include:

Species brought into synonymy
  • Thyca pellucida Kükenthal, 1897: synonym of Thyca crystallina (Gould, 1846)

References

  1. ^ Bouchet, P. (2012). Thyca H. Adams & A. Adams, 1854. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=196298 on 2012-07-25
  2. Combes, Claude (2005). The Art of Being a Parasite. University of Chicago Press. p. 25. ISBN 978-0-226-11438-5.
  3. G.W. Tryon (1886) Manual of Conchology v; VIII
  • Habe T. (1976) Parasitic gastropods from echinoderms of Japan. Bulletin of the National Science Museum , ser. A, 2(3): 157-171. page(s): 165
  • Warén A. (1980). Revision of the genera Thyca, Stilifer, Scalenostoma, Mucronalia and Echineulima (Mollusca, Prosobranchia, Eulimidae). Zoologica Scripta 9: 187-210
  • Warén A. (1984) A generic revision of the family Eulimidae (Gastropoda, Prosobranchia). Journal of Molluscan Studies suppl. 13: 1-96. page(s): 46
Taxon identifiers
Thyca

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