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Plegiocidaris cervicalis (Agassiz, 1840, p. 77)

Distribution	Upper Jurassic (Oxfordian); Hauteville, Haute Marne, France
Classification and/or Status	Subjective junior synonym of Plegiocidaris crucifera (Agassiz, 1840).
Remarks	Specimen illustrated here was figured by Cotteau (Paleontologie francais. Terrains Jurassiques. Echinides Regulier, p. 140, pl. 178, figs 1-4) as this species.