Geys, J. F. (1989). Hemicidaroid echinoids from Upper Cretaceous deposits in the Wadi Qena-area (Eastern Desert, Egypt). Bulletin de l'institut royal des sciences naturelles de Belgique, Sciences de la Terre, 59: 127-135 page(s): 128; pl. 1: figs 1-4 [details]
original descriptionGeys, J. F. (1989). Hemicidaroid echinoids from Upper Cretaceous deposits in the Wadi Qena-area (Eastern Desert, Egypt). Bulletin de l'institut royal des sciences naturelles de Belgique, Sciences de la Terre, 59: 127-135 page(s): 128; pl. 1: figs 1-4 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Fossil range Cenomanian-Turonian [details] Stratigraphy Atrash Formation [details] Type locality Wadi Qena, Eastern Desert, Egypt [details] Type material HT: KBIN IST 10483 [details]
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