1 literature reference for Ophioplus armatus Koehler, 1907:

Author: Hansson, H.G.
Year: 2001
Title: Echinodermata
Source: in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: