(ofOolina costeiana Popescu, 1983 †)Popescu, G. (1983). Marine Middle Miocene monothalamous foraminifera from Romania. <em>Memorii Institutul de Geologie şi Geofizică.</em> 31: 261-280.[details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Cushmanina costeiana (Popescu, 1983) †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1505649 on 2024-09-09
original description(ofOolina costeiana Popescu, 1983 †)Popescu, G. (1983). Marine Middle Miocene monothalamous foraminifera from Romania. <em>Memorii Institutul de Geologie şi Geofizică.</em> 31: 261-280.[details]
new combination referencePopescu, G.; Crihan, I. M. (2004). Contributions to the knowledge of the calcareous unicameral foraminifera from the Middle Miocene from Romania. <em>Acta Palaeontologica Romaniae.</em> 4: 403-421., available online athttp://www.geo-paleontologica.org/Acta.vol.IV/37Popescu_Crihan.pdf[details] Available for editors [request]