First citation of Pygurus (Pygurus) montmollini (L. Agassiz, 1836) (Echinodermata: Echinoidea) in Ares del Maestrat

Es fa la primera cita per a Ares del Maestrat (l'Alt Maestrat) de Pygurus (P.) montmollini (L. Agassiz, 1836), equínid de la família dels pigúrids, de l'Hauterivià-Barremia. L'exemplar es descriu i es donen les mesures. Aquesta és la segona cita a la península IbericaThis is the first mention of Pygurus (P.) montmollini (L. Agassiz, 1836) in Ares del Maestrat (l'Alt Maestrat, NE Spain). This species is an Hauterivian-Barremian echinoid representative of the so-called "Family pygurids': recorded here for the second time in the Iberian Peninsula. The specimen is described and measurements are given