original descriptionCole, W. S. (1927). A foraminiferal fauna from the Guayabal formation in Mexico. <em>Bulletins of American Paleontology.</em> 14(51): 1-47., available online athttps://www.biodiversitylibrary.org/page/30418230[details]
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]