original description(ofChasea tortonica Hajos, 1968 †)Hajós, M. (1968). Mátraalja Miocén Üledékeinek Diatomái [Die diatomeen der Miozänen Ablagerungen des Mátravorlandes]. Geologica Hungarica, Series Paleontologica, Institutum Geologicum Hungaricum, Budapestini, 37: 1-401 page(s): p. 117; pl. 28, fig. 18, 19 [details]
basis of recordGuiry, M.D. & Guiry, G.M. (2023). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online athttp://www.algaebase.org[details]
new combination referenceSuto, I. (2006). Truncatulus gen. nov., a new fossil resting spore morphogenus related to the marine diatom genus Chaetoceros (Bacillariophyceae). <em>Phycologia.</em> 45(5): 585-601., available online athttps://doi.org/10.2216/04-91.1[details]
new combination referenceSuto, I. (2006). Truncatulus gen. nov., a new fossil resting spore morphogenus related to the marine diatom Chaetoceros (Bacillariophyceae). Phycologia, 45(5): 585-601 page(s): p. 598 [details]