Otina ovata
| Otina ovata | |
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| Species: | O. ovata
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| Otina ovata | |
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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]
- British Isles (South and West coasts):[4] Great Britain and Ireland
- Belgium[2]
- Northern France (Manche, Etretat and Atlantic coast)[4]
- Spain[4]
- Portugal[4]
- Sardinia[4]
The type locality is Devonshire, England.[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]
- ^ 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.
- ^ 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
- ^ "Genus summary for Otina". AnimalBase, last modified 16 January 2007, accessed 8 March 2011.
- ^ 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.
- ^ "Species taxon summary ovatum Brown, 1827 described in Galericulum", accessed 8 March 2011
