The Echinoid Directory
Thieulinipedina antiqua (Cotteau, 1883). Upper Callovian, Middle Jurassic, Assise des Carreaux, Mortagne, Orne, France. From Vadet, A., Nicolleau, P. & Pineau, J. P. 1996. Echinides du Callovien de la Sarthe et de l'Orne. Memoires de la Societe Academique du Boulonnais Serie Histoire Naturelle 17, pl. 10, fig. 1 [digital image kindly supplied by Alain Vadet]. Lateral view.
Diameter of specimen 23 mm.