Rudolf Ignaz Kner was an Austrian geologist, paleontologist, zoologist and ichthyologist. He also wrote some poems which were published by his brother-in-law K.A. Kaltenbrunner.

Chelmonops is a small genus of ray-finned fish, butterflyfishes from the family Chaetodontidae. Unlike the mainly tropical distribution of most marine butterflyfishes, Chelmonops is restricted to temp