This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Heterogen longispira . Heterogen longispira Smith Mollusca Gastropoda Viviparidae Bellamyinae relatively large species of frehwater snail endemic to Lake Biwa is the type species of the genus Heterogen Annandale and the only member of it Loc Lake Biwa Off Katata Otsu Shiga Honshu Japan my own file PD Heterogen longispira