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The white-lipped snail or garden banded snail, scientific name Cepaea hortensis, is a large species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Helicidae. The only other species in the genus is Cepaea nemoralis .
Moreover, snails disperse more slowly than many other animals, so the most suitable genes may be locally absent. For instance, biologists were at one time puzzled by the phenomenon of " area effects "; the same morph of Cepaea may be found consistently over a wide area but in adjacent areas of similar habitat a different set of morphs ...
The grove snail, brown-lipped snail or lemon snail (Cepaea nemoralis) is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc. [3] It is one of the most common large species of land snail in Europe, and has been introduced to North America. Subspecies. Cepaea nemoralis etrusca (Rossmässler, 1835) [4]
The right-hand coiled, globular shell of C. vindobonensis is 17–21 mm high and 20–25 mm broad with 5.5–6 whorls. [6] In adults, the umbilicus is completely covered. . The lip is brown at its inner end becoming pale towards the suture; this distinguishes it from the conchological similar Cepaea hortensis (usually pure white lip) and Cepaea nemoralis (usually a dark brown lip), with which ...
The peristome is white and thickened with a strong white lip. [8] [4] The umbilicus is rapidly narrowing to a narrow, deep perforation. [4] The width of umbilicus is one-eighth the greatest diameter. [4] The width of the shell is 15 mm. [8] [4] The height of the shell is 8.5 mm. [4]
Species within the genus Mesodon include: [2]. Mesodon altivagus (Pilsbry, 1900) – wandering globe; Mesodon andrewsae Binney, 1879 – balsam globe; Mesodon clausus (Say, 1821) – yellow globelet
The outer lip is thin, notched, canaliculated within, and its edge is white and undulated. The inner lip is only slightly perceptible towards the base, where it forms a part of the umbilicus, which is hardly developed. The columella is twisted spirally, and furnished externally, even to the emargination of the base, with longitudinal ribs.
Theba pisana, common names the white garden snail, sand hill snail, white Italian snail, Mediterranean coastal snail, and simply just the Mediterranean snail, is an edible species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicidae, the typical snails.