Stratigraphy: Base of the upper Campanian to the upper part of the upper Maastrichtian, Cretaceous. for taxon Leptothyrellopsis polonicus Bitner & Pisera, 1979 †

Note "Stratigraphy: Base of the upper Campanian to the upper part of the upper Maastrichtian, Cretaceous." for taxon Leptothyrellopsis polonicus Bitner & Pisera, 1979 † has been added by Tristan Verhoeff via the webinterface on 2024-05-14T09:04:32+00:00