Theodoxus meridionalis
| Theodoxus meridionalis | |
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| Two views of a shell of Theodoxus meridionalis; the left view has the operculum in place in a partially open position | |
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| Subgenus: | Theodoxus
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| Species: | T. meridionalis
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| Binomial name | |
| Theodoxus meridionalis | |
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Nerita meridionalis Philippi, 1836 | |
Theodoxus meridionalis is a species of freshwater snail with a gill and an operculum. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.
Distribution
The distribution of this species includes Sicily (which is part of Italy), and north-western Tunisia.[3][1]
The type locality is Syracuse, Sicily.[4]
Description
The shell is cone-shaped to half-egg-shaped, almost smooth and weakly shiny.[3] The color is pale yellowish with dark red to blackish zigzag streaks.[3]
Dimensions of the shell are 4-5 × 7-8 mm.[3]
Ecology
This small snail lives in cold running waters.[3][1]
References
This article incorporates public domain text from the reference[3]
- ^ a b c Zettler M. & Van Damme D. (2010). Theodoxus meridionalis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 17 May 2011.
- ^ Philippi R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Volume 1. pp. I-XIV, 1-267, [1], Tab. I-XII. Berolini. (Schropp). page 159, Tab. IX, fig. 13.
- ^ a b c d e f g "Species summary for Theodoxus meridionalis ". AnimalBase, last modified 30 July 2007, accessed 17 May 2011.
- ^ Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. ISBN 0-7484-0026-5.
