Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Frondicularia bicornis var. etiola Marie, 1941 †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=927608 on 2025-05-14
basis of recordEllis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]