Author: Etheridge, R., & Carpenter, P.H., 1886.:
Title: Catalogue of the Blastoidea in the Geological Department of the British Museum (Natural History). With an account of the morphology and the systematic position of the group, and a revision of the genera and species.
Description: London. Large 4to. Pp. xvi,322,[4], 399 figs. on 20 lithogr. plates, bibliogr., index. Orig. cloth. Little rubbing to ends of backstrip, title-page in photo copy, some local very light foxing, very good otherwise.

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