Two Lipped Door Snail

Alinda biplicata

"Alinda biplicata", also known as "Balea biplicata", common name the two lipped door snail or Thames door snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
Two-lipped_Snail-2 After a heavy rain, our garden was full of snails - including a large number of these interesting ones that I had never seen before. Alinda biplicata,Baden-Würtemburg,Garden,Geotagged,Germany,Ravensburg,Summer,Two lipped door snail

Appearance

Like all species in this family, this snail has a clausilium. This spoon-shaped "door" is supported by, and slides in, a series of internal shell folds, see the image below.

The weight of the adult live snail is 148.6±5.7 mg.
Two lipped door snail Sint Joris Weert, Belgium (April 2012).
One morning I found this tiny snail climbing up one of my kitche windows. it felt almost painful to see such a small thing carrying such a big long house! 
Two lipped door snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae. this snail has a clausilium. This spoon-shaped "door" is supported by, and slides in, a series of internal shell folds.
Habitat:
This species is known to occur in a number of European countries. Alinda biplicata,Belgium,Geotagged,Spring

Distribution

This species is known to occur in a number of European countries and islands including:
⤷  Czech Republic
⤷  Poland
⤷  Slovakia
⤷  Bulgaria
⤷  Greece
⤷  Switzerland
⤷  France
⤷  Belgium
⤷  Netherlands
⤷  Great Britain
This species is rare in Great Britain. In England, it is found mainly in the London area, almost exclusively along the River Thames, and is particularly preserved at Isleworth Ait. There is also a colony at Purfleet in Essex.
⤷  and other areas

References:

Some text fragments are auto parsed from Wikipedia.

Status: Not evaluated
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionMollusca
ClassGastropoda
OrderStylommatophora
FamilyClausiliidae
GenusAlinda
SpeciesA. biplicata
Photographed in
Belgium
Germany