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Otina ovata

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Otina ovata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia

clade Euthyneura
clade Panpulmonata

clade Eupulmonata
Family:
Otinidae
Genus:
Otina
Species:
O. ovata
Binomial name
Otina ovata
(Brown, 1827)[1]
Synonyms[2]
  • Galericulum ovatum Brown, 1827[1]
  • Helix otis Turton, 1819
  • Otina otis (Turton, 1819)
  • Otina turtoni Locard, 1886

Otina ovata is a species of small, air-breathing sea snail or sea slug, a marine pulmonate gastropod mollusk in the family Otinidae.

Otina ovata is the only recent species in the family Otinidae.[3]

Distribution

This species is not common.

It occurs on the coasts of the Northeastern Atlantic Ocean in Western and South-Western Europe:[4]

The type locality is Devonshire.[5]

Description

The shell is very small.[4] The shell has 1.5 whorls.[4] The last whorl is inflated.[4] The aperture is oval and very large, like in succineids, columellar and parietal sides of the margin thickened.[4]

The width of the shell is 2-5 mm.[4] The height of the shell is 1.5-3 mm.[4]

Animal cannot withdraw entirely into the shell.[4] Eyes look like in comic snails.[4] Otina ovata has no tentacles.[4]

Habitat

This species breathes air and thus it is found intertidally on rocky shores in such places as caves and rocky overhangs.

Otina ovata lives in intertidal zone on rocks, algae and balanoids.[4] It can be found often in empty bivalve shells and moist rock crevices.[4]

References

This article incorporates public domain text from the reference [4]

  1. ^ a b Brown T. (1827). Illustrations of the Conchology of Great Britain and Ireland. Edinburgh, W. H. Lizars, D. Lizars and S. Highley. [vi] + v, 1-65 , 52 plates. Plate 38, fig. 27-28.
  2. ^ a b Gofas, S. (2011). Otina ovata (Brown, 1827). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140661 on 2011-03-08
  3. ^ "Genus summary for Otina". AnimalBase, last modified 16 January 2007, accessed 8 March 2011.
  4. ^ a b c d e f g h i j k l m n o p q r "Species summary for Otina ovata". AnimalBase, last modified 28 February 2011, accessed 8 March 2011.
  5. ^ "Species taxon summary ovatum Brown, 1827 described in Galericulum", accessed 8 March 2011
  • photo of the shell of Otina ovata.
  • distribution map
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