Middle Eocene (Bartonian) brachiopods from Turnu Roșu (Transylvanian Basin, Romania): oldest record of Megerlia and Kraussinidae

Nannoplankton studies of the Transylvanian Turnu Roșu section, based on presence Reticulofenestra umbilicus, R. bisecta, lockeri, Helicosphaera compacta and Sphenolithus spiniger refer to Bartonian (middle Eocene) age. Th e brachiopod assemblage contains four species. is dominated by Gryphus kickxii, one most common species European Eocene. other three taxa are very rare (1–1 specimen). Terebratulina tenuistriata also widespread in Tethyan Eocene, while genus Megerlia everywhere belongs elements Paleogene. fourth taxon an unidentifi able fragmentary terebratulide which clearly diff erent from previously mentioned taxa. sp. specimen oldest known fossil record family Kraussinidae. With 41 figures.