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Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Order: Littorinimorpha
Family: Eulimidae
Genus: Enteroxenos
Bonnevie, 1902
Type species
Enteroxenos ostergreni Bonnevie, 1902


Enteroxenos is a genus of very small parasitic sea snails, marine gastropod mollusks in the family Eulimidae.[1]


These small snails have no mouth or gut, and absorb nutrients through their body wall. These odd animals look much more like worms than snails, but the larval form is a veliger, which is characteristic of mollusks.


Species within this genus include the following:

Species brought into synonymy
  • Enteroxenos ostergreni (Bonnevie, 1902): synonym of Enteroxenos oestergreni (Bonnevie, 1902)


The female is significantly larger than the male and may grow up to 15 cm (6 in) in length. The females become hosts to the smaller males, which then fertilise their eggs.


  1. ^ Bonnevie, 1902. 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 (look up in IMIS). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137966 on 2013-01-18.

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