original description(ofRobulus revolutus Israelsky, 1955 †)Israelsky, M. C. (1955). Foraminifera of the Lodo Formation, central California; Part 2, Calcareous foraminifera (Miliolidae and Lagenidae, part). <em>United States Geological Survey Professional Papers.</em> 240-B: 31-79., available online athttps://pubs.er.usgs.gov/publication/pp240B[details] Available for editors [request]
new combination referenceSliter, W. V. (1968). Upper Cretaceous Foraminifera from southern California and northwestern Baja California, Mexico. <em>University of Kansas Paleontological Contributions.</em> 49(7): 1-141., available online athttps://kuscholarworks.ku.edu/handle/1808/3823[details] Available for editors [request]