Traits taxon details
original description
Sollas, W.J. (1899). Fossils in the University Museum, Oxford: I. On Silurian Echinoidea and Ophiuroidea. <em>Quarterly Journal of the Geological Society.</em> 55(1-4): 692-715., available online at https://doi.org/10.1144/gsl.jgs.1899.055.01-04.41 [details] 
basis of record
Sprinkle, J.T. (1980). An overview of the fossil record. – In: Broadhead, T.W.W.J.A. (ed.): Echinoderms, notes for a short course 3. – pp. 15-26, University of Tennessee, Department of Geological Sciences. Knoxville, TN, United States. page(s): 26 [details] Available for editors 
additional source
Reich, M. (2010). Evolution and diversification of ophiocistioids (Echinodermata: Echinozoa). In: Harris, L.G.; Böttger, S.A.; Walker, C.W. & Lesser, M.P., eds.: <em>Echinoderms: Durham</em>. pp. 51-54, 1 fig., 4 tables; London etc. (Taylor & Francis)., available online at https://doi.org/10.1201/9780203869543-c8 [details] Available for editors 
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