This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
M. A. Kosnik, 2002 - personal opinion. - (), - (unpublished, )
K. V. Palmer, 1966 - Catalogue of the Paleocene and Eocene Mollusks of the Southern and Eastern United States Part II. Gastropoda - Bulletins of American Paleontology (48), 471-1057 (serial monograph, English)