The Echinoid Directory
Zeuglopleurus costulatus Gregory, 1889; BMNH E4365 (holotype). Upper Cenomanian, Upper Cretaceous, Glynde, Sussex, England. Camera lucida drawings of interambulacral and ambulacral plating, and apical disc, from Smith, A. B. & Wright, C. W. 1993. British Cretaceous Echinoids. Part 3, Stirodonta 2 (Hemicidaroida, Arbacioida and Phymosomatoida, part 1). Monograph of the Palaeontographical Society (publication no. 593, part of vol. 147), 199-267, pls 73-92.