OPHIOMORPHA SI THALASSINO1DES DIN CENOMANIANUL INFERIOR DE LA CERNA (DOBROGEA DE NORD, ROMÂNIA)

摘要

The current paper deals with the presence of the Ophiomorpha and Thalassinoides ich-nogenera on the north-western side of the Babadag basin, at Cerna. The occurrence area in Romania of these fossil biogenous structure is thus widened. It is also confirmed the littoral sedimentary environment at the base of the Upper Cretaceous transgression in North Dobrogea.