About Tritonia exsulans Bergh, 1894
Tritonia exsulans, first formally described by Bergh in 1894, is a species of dendronotid nudibranch. It is a marine gastropod mollusc that belongs to the family Tritoniidae. This species occurs in the Northeast Pacific, where it inhabits shallow water down to a maximum depth of 100 metres. It has frequently been misidentified as two other species: Tritonia tetraquetra and Tritonia diomedea.