Abstract
A previously undocumented echinoid fauna occurs in the terrigenous clastic sedimentary sequence of the Old Pera Beds (Lower Pleistocene) and the overlying Port Morant Formation (Upper Pleistocene) at Old Pera, parish of St. Thomas, southeast Jamaica. The fauna is comprised of complete tests (particularly from two horizons in the Port Morant Formation), test fragments, and radioles, and includes:Cidaris(Tretocidaris)bartletti(A. Agassiz);Eucidaris tribuloides(Lamarck); diadematoid indet. gen. and sp.;Echinometra viridisA. Agassiz;Echinometra? sp.;Clypeaster rosaceus(Linné); a juvenileC. subdepressus? (Gray); mellitid indet. gen. and sp.; clypeasteroid sp.;Schizaster doederleiniChesher;Meoma ventricosa(Lamarck); and irregular indet. gen. and sp.Schizaster doederleiniis still extant in the Caribbean, but is not known to live in Jamaican waters.Schizaster doederleiniandMeoma ventricosaare the first nominal spatangoids to be reported from the Jamaican Pleistocene.
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