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.
Corresponding author (Name, Year)
Ref.: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341
Ref.: P. M. Kier. 1992. Neogene Paleontology in the Northern Dominican Republic. 13. The Class Echinoidea (Echinodermata). Bulletins of American Paleontology 102(339):13-28