Turnšek, Dragica, in Aurelia Bărbulescu. „Upper Jurassic hydrozoa in central Dobrogea (Romania)“. Geologija 12, no. 1 (december 31, 1969): 73–84. Pridobljeno oktober 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/264.