Author: Bell, B. M.
Title: A study of North American Edrioasteroidea.
Description: Albany, NY, The University of the State of New York, 1976. 4to. vi, 447 pp., 63 plates, 65 text figures (some page-sized). Original pictorial soft cover. = A fine monograph on a peculiar group of extinct echinoderms including the description of new order, two new families (thus rendering this publication also useful outside North America), several new genera and new species. The plates show often quite well-preserved specimens. Cover a bit worn, and with vague stamp, another, cancelled, stamp on the half-title and title, otherwise a very good clean copy.

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