Albian and Cenomanian selachian assemblages from North East England.

摘要: Bulk sampling of the marls and marly limestones Hunstanton Formation (Red Chalk) associated deposits at two sites in north-east England has yielded rich diverse assemblages small selachians, largely represented by dissociated teeth. This fauna contains over 35 taxa is dominated to very nectobenthic forms. A large proportion these are new, five new species described: Protosqualus pachyrhiza sp. nov., Pseudospinax heterodon nov, Cretorectolobus gracilis Parasymbolus reticularis nov. Pteroscyllium ornatum Cretascyliorhinus gen. erected for Scyliorhinus destombesi Cappetta related The earliest records Squalus Etmopterinae noted. considered a specialist low-nutrient selachian probably confined North Sea Basin.