Dunlap, John, Jr. (1988): Biostratigraphy of the Gulf of Mexico. New Orleans Geol. Soc., New Orleans, LA, United States, In: Studlick, J. R. J. (editor), Bryant, J. G. (editor), Hartman, James A. (editor), Shew, R. D. (editor), Offshore Louisiana oil & gas fields, 2, 81-83, georefid:1988-061427