Caseolus calculus
Caseolus calculus is a species of small air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae, the hairy snails and their allies.
Caseolus calculus is a species of small air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae, the hairy snails and their allies.