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Jeronia pyrenaica Seunes, 1888; Danian, Larumbe, Navarra, Spain. MGB 37382. Camera lucida drawings of apical (left) and oral (right) plating.

From A. B. Smith, J. Gallemi. C. H. Jeffery, G. Ernst & P. D. Ward 1999. Late Cretaceous-early Tertiary echinoids from northern Spain: implications for the Cretaceous-Tertiary extinction event. Bulletin of the Natural History Museum, London (Geology Series) 55, 81-137.