The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Spencer, W. K., and C. W. Wright / Durham, J. Wyatt, et al. / Moore, Raymond C., ed. 1966. Asterozoans. Treatise on Invertebrate Paleontology, Part U, Echinodermata 3, vol. 1. U4-U107
- W. K. Spencer and C.W. Wright. 1966. Asterozoans. Moore R.C. ed, Treatise on invertebrate paleontology, Echinodermata, University of Kansas Press and the Geological Society of America 3(1):U4-U107