Theodoxus meridionalis

Theodoxus meridionalis
Two views of a shell of Theodoxus meridionalis; the left view has the operculum in place in a partially open position
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Neritimorpha
Order:	Cycloneritida
Family:	Neritidae
Genus:	Theodoxus
Species:	T. meridionalis
Binomial name
Theodoxus meridionalis (Philippi, 1836) [2]
Synonyms [3]
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]

1. Zettler, M.; Van Damme, D. (2010). "Theodoxus meridionalis". IUCN Red List of Threatened Species . 2010 e.T165354A6005925. doi: 10.2305/IUCN.UK.2010-4.RLTS.T165354A6005925.en . Retrieved 18 November 2021.
2. 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.
3. "Species summary for Theodoxus meridionalis ". AnimalBase, last modified 30 July 2007, accessed 17 May 2011.
4. Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. ISBN   0-7484-0026-5.