all snail 7501

adult bodies body brain brown bushveld calcium carbonate closeup coil crawl dextral dorsal equiangular eye foot gastropod gliding grass green growth habitat handed hermaphrodites invertebrate land leaf leaves logarithmic lung macro mantle mass mollusks mucus muscular natural nature pallial plant primitive radula rainy right rough sahara savanna season shell shelled size slime slow snail soft spiral stalks strong sub summer surface tentacles terrestrial trail tree visceral wall