Norman, A. (1865). On the genera and species of British Echinodermata. Part1. Crinoidea, Ophiuroidea, Asteroidea. Annals and Magazine of Natural History. series 3, v.15, 98-129.
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Norman, A.
1865
On the genera and species of British Echinodermata. Part1. Crinoidea, Ophiuroidea, Asteroidea.