Bielzia coerulans... that the blue Carpathian slug Bielzia coerulans(pictured) is brown when it is a juvenile?
Boettgerilla pallens... that Boettgerilla pallens(pictured), originating in the Caucasus, has spread to almost all of Europe?
Wilhelm Dunker... that the German geologist, paleontologist and zoologist Wilhelm Dunker(pictured) was one of the most important malacologists of his time?
