original descriptionPessagno, E. A. (1967). Upper Cretaceous planktonic foraminifera from the western Gulf Coastal Plain. <em>Palaeontographica Americana.</em> 5: 245-445., available online athttps://www.biodiversitylibrary.org/page/10688567[details]
basis of recordLoeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online athttps://books.google.pt/books?id=n_BqCQAAQBAJ[details] Available for editors