Ubinia Jipai N. Isp. And Megagrapton Isp. (Graphoglyptida) in the Middle Member of the Sinaia Formation (Upper Berriasian-Lower Hauterivian) from Prahova Valley (Romania). Geo-Eco-Marina 2022, 28, 89-99. https://doi.org/10.5281/zenodo.7491418.