Photo of the day (31): Helicigona lapicida

This photo is a four-eyed beast in a psychedelic green forest.
Helicigona lapicida 01
No, I was joking, these are two Helicigona lapicida snails on a lichen.

An apical view:
Helicigona lapicida 02

Another apical view:
Helicigona lapicida 03

The right side:
Helicigona lapicida 04

A top view:
Helicigona lapicida 05

A right side views:
Helicigona lapicida 06
Helicigona lapicida 07

Two snails on a rock:
Helicigona lapicida 08

Why it is on those stones on these photos? It is because inhabits rocks and walls. It is quite common snail already described by Carl Linnaues in 1758. Linnaues used the specific name lapicida for this snail, because he thought that its mucus can dissolve limestone rocks. The Latin word lapis means the “stone”, the Latin suffix -cida means “cut out”. The Latin word lapicida means the “stonecutter”. It can not dissolve stones in fact.

The foot:
Helicigona lapicida 09

The umbilical view:
Helicigona lapicida 10

Six Helicigona lapicida snails in situ in Kamenice castle on the Zámecký vrch hill in Česká Kamenice town (Northern Bohemia, Czech Republic.)
Helicigona lapicida 11

What does it eat on those rocks? Lichens. Like this one:
Helicigona lapicida 12

References:

(in Czech) Blažka F. (1892). Na venkově po dešti. Vesmír, 22(3): 5-6.

Lapicide. Wictionary, accessed September 12, 2014.

Etymology of the Latin word lapicida. myEtymology, accessed September 12, 2014.

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