Japanese pomatiopsine snails and their habitats. A. Dripping rocks beside the waterfall covered with bryophytes, inhabited by amphibious species F. kurodai. B. Habitats of amphibious species F. multistriata (beside the waterfall) and terrestrial species B. simplex (forest floor). C. Terrestrial species B. japonica on the forest floor. D. Aquatic species F. ooyagii clinging to wet rocky wall. E. Aquatic species O. minima inhabiting mountain streamlet. F. Rice field (dry season) inhabited by seasonally amphibious species O. h. nosophora. G. Decaying seaweed stranded on the beach, inhabited by C. manchurica. H. F. kurodai niigataensis. I. F. k. kurodai mating outside the water film. J. F. multistriata. K. F. multistriata resting on a tree branch. L. B. integra (terrestrial). M. F. ooyagii. N. B. sp. (terrestrial). O. B. bensoni (terrestrial). P. B. simplex mating on the forest floor. Q. O. minima. R. O. h. nosophora. S. C. manchurica found among decaying seaweeds.
Kameda and Kato BMC Evolutionary Biology 2011 11:118 doi:10.1186/1471-2148-11-118