Latest Albian echinoids from Pénzesgyőr (Bakony Mountains, Transdanubian Range) including the first record of Trochotiara bourgueti (Agassiz, 1840) from Hungary

Laszlo Bujtor; Abdelhamid, Marouf Abdelaty Mohamed; Gabriella Földvári; Gamal M.E. El Qot;