(ofRobulus becki Rau, 1951 †)Rau, W. W. (1951). Tertiary foraminifera from the Willapa River Valley of Southwest Washington. <em>Journal of Paleontology.</em> 25: 417-453.[details] Available for editors [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Lenticulina becki (Rau, 1951) †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1473328 on 2024-05-07
original description(ofRobulus becki Rau, 1951 †)Rau, W. W. (1951). Tertiary foraminifera from the Willapa River Valley of Southwest Washington. <em>Journal of Paleontology.</em> 25: 417-453.[details] Available for editors [request]