Gyraulus rossmaessleri is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Distribution The distribution of this species is Holarctic. It occurs in countries and islands including: Germany - critically endangered (vom Aussterben bedroht)Glöer P. & Meier-Brook C. (2003). Süsswassermollusken. DJN, pp. 134, page 107,
Habitat This small snail lives on water plants in freshwater.
Shell description The shell is nearly planispiral in its coiling.
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