This species is endemic to the Algarve, southern Portugal.[6] It is a frequent species in the Algarve and locally very common.[6]
Description
The shell is brown with a characteristic microsculpture, depressed with a strong keel.[6] The first whorls are almost flat.[6] The aperture is narrow.[6] Margin reflected and turned outward.[6] There are two teeth on the lower edge corresponding to 2 conspicuous depressions on the outer shell.[6] The umbilicus is open and eccentric.[6]
The width of the shell is 12–14 mm.[6] The height of the shell is 5–6 mm.[6]
Animal is almost black with a lighter foot, upper tentacles very long.[6]
Ecology
It lives in low altitudes on calcareous substrate, close to the coast.[6] It is frequent at old walls and in old gardens and parks in cities, also in shrublands and cultivated areas.[6]
References
This article incorporates public domain text from the reference[6]
^Morelet A. (1845). Description des mollusques terrestres et fluviatiles du Portugal. pp. [1-3], I-VII, 1-116, Pl. I-XIV. Paris. (Bailliere). page 59, Plate 6, fig. 3.
^Prieto C. E., Puente A. I, Altonaga K. & Gomez J. (1993). "Genital morphology of Caracolina lenticula (Michaud, 1831), with a new proposal of classification of helicodontoid genera (Pulmonata: Hygromioidea)". Malacologia35(1): 63-77. page 73-74.