MORPHOLOGY, TAXONOMY AND DISTRIBUTION OF THE CRETACEOUS CORAL GENUS PREVERASTRAEA (LATE BARREMIAN-CENOMANIAN; SCLERACTINIA)
The Cretaceous coral genus Preverastraea is being revised, mainly on the basis of sample material.This cerioid, occasionally astreoid or phaceloid, genus is characterised by round or polygonal calices, compact septa in here a regular hexameral symmetry and lonsdaleoid septa.The wall is of the same structure as the septa.The genera Bogdanovicoenia,