Clausilia bidentata
Clausilia bidentata , the two-toothed door snail , is a species of door snails , terrestrial pulmonate gastropod mollusks in the genus "Clausilia" belonging to the family Clausiliidae , all of which have a clausilium . 
<triplet> Clausilia bidentata <subj> Clausilia <obj> parent taxon <triplet> gastropod <subj> mollusk <obj> parent taxon <triplet> Clausilia <subj> Clausiliidae <obj> parent taxon