Contributed by Andrew Smith, October 2006
Diagnosis | Diadematoids with:
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Range | Middle Jurassic (Bathonian) to Upper Cretaceous (Maastrichtian), Europe, North Africa, Middle East. |
Species Included | Heterodiadema Cotteau, 1862, Trochodiadema de Loriol, 1900; Monodiadema de Loriol, 1890, Ekerekaei Ozdikmen & Udoh, 2010. |
Classification and/or Status | Euechinoidea, Acroechinoidea, probably Diadematoida (lantern structure unknown at present). |
Remarks | 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 London (Publication 593, part of volume 147), 199-267, pls 73-92. |