Pontophaedusa funiculum is a species of land snail, a gastropod in the family Clausiliidae, the door snails within the subfamily Serrulininae.Páll-Gergely B. (2010). "Additional information on the reproductive biology and development of the clausilial apparatus in Pontophaedusa funiculum (Mousson, 1856) (Gastropoda, Pulmonata, Clausiliidae, Phaedusinae)". Malacologica Bohemoslovaca 9: 1–4. Online serial at <http://mollusca.sav.sk> 15-February-2010. All door snails have a clausilium with which they can close the shell aperture.
This is the only known species within the Clausiliidae that lays eggs that have hard shells made of calcium carbonate.
Distribution Pontophaedusa funiculum lives on the eastern coast of the Black Sea from Sochi in Russia, though Georgia, to Trabzon in Turkey.Páll-Gergely B. & Németh L. (2008). "Observations on the breeding habits, shell development, decollation, and reproductive anatomy of Pontophaedusa funiculum (Mousson 1856) (Gastropoda, Pulmonata, Clausiliidae, Phaedusinae)". Malacologica Bohemoslovaca 7: 11-14. Online serial at <http://mollusca.sav.sk> 8-February-2008.
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