The Echinoid Directory

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Thieulinipedina antiqua (Cotteau, 1883). Upper Callovian, Middle Jurassic, Assise des Carreaux, Mortagne, Orne, France. From Vadet, A., Nicolleau, P. & Pineau, J. P. 1996, pl. 10, fig. 1 [digital image kindly supplied by Alain Vadet]. Apical view.

Diameter of specimen 23 mm.