Eulima bilineata

Eulima bilineata is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.[1][2][3]

Eulima bilineata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Eulimidae
Genus: Eulima
Species:
E. bilineata
Binomial name
Eulima bilineata
Alder, 1848
Synonyms
  • Eulima bilineata var. albida J. T. Marshall, 1902
  • Eulima bilineata var. exigua J. T. Marshall, 1893
  • Eulima trifasciata (J. Adams, 1800) sensu Winckworth, 1932 (misapplication)
  • Eulima albida Marshall, 1902
  • Eulima exigua Marshall, 1902

Description

The shell measures approximately 6 mm in length. Adult shells have a tall narrow conic outline, with up to 13 flat-sided whorls and a slightly cyrtoconoid profile. The sutures are very slight, paralleled internally and above by false sutures, the latter being often more conspicuous in live shells. The exterior of the shell is smooth, with very delicate growth lines that become visible through reflected light. The aperture is narrow, drop-shaped, and the outer lip arises tangentially to the last whorl between two brown spiral bands.[4]

Distribution

This species occurs in the following locations:[1]

Feeding type
  • Parasitic

References
  1. MolluscaBase eds. (2020). MolluscaBase. Eulima bilineata Alder, 1848. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=139800 on 2020-11-09
  2. Check List of European Marine Mollusca (look up in IMIS)
  3. Dyntaxa (2013) Swedish Taxonomic Database. Accessed at www.dyntaxa.se [15-01-2013]., available online at http://www.dyntaxa.se
  4. http://species-identification.org/species.php?species_group=mollusca&id=690
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213.
  • Warén A. (1983) An anatomical description of Eulima bilineata Alder with remarks on and a revision of Pyramidelloides Nevill (Mollusca, Prosobranchia, Eulimidae). Zoologica Scripta 12(4): 273-294.


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