Jan Hamrsky / Great ramshorn snail (Planorbarius corneus) juvenil, onstem of aquatic plant, Europe, June, controlled conditions
01608853
Jan Hamrsky / Great ramshorn snails (Planorbarius corneus) juvenil, feeding on a stem of horsetail plant, Europe, November, controlled conditions
01490722
Jan Hamrsky / Great ramshorn snail (Planorbarius corneus) Europe, June, controlled conditions.
01458328
Jan Hamrsky / Case-building caddisfly larva (Trichoptera) with Great ramshorn empty shell (Planorbarius corneus), Europe, June, controlled conditions
01453706
Wild Wonders of Europe / Lundgren / European white waterlily (Nymphaea alba) with Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
01453705
Wild Wonders of Europe / Lundgren / European white waterlily (Nymphaea alba) with Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
01453662
Wild Wonders of Europe / Lundgren / Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
01453582
Wild Wonders of Europe / Lundgren / Empty Great ram's horn snail (Planorbarius corneus) shells laying on riverbed of a small tributary to Danube Delta, Romania, June.
01648512
Jan Hamrsky / River snail (Viviparus sp.) and Great ramshorn snail (Planorbarius corneus), Europe, April, controlled conditions
