Lewis, D. N. (1986). Catalogue of the type and figured specimens of fossil Echinoidea in the British Museum (Natural History). London; Trustees of the British Museum (Natural History). 85 pp., 5 pls.
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Lewis, D. N.
1986
Catalogue of the type and figured specimens of fossil Echinoidea in the British Museum (Natural History)
London; Trustees of the British Museum (Natural History). 85 pp., 5 pls.