Please excuse my total amateur ignorance. At what point did the Brontosaurus become Aptosaurus and why? Was there something wrong with the original nomenclature? Heather L. Ramsay Laboratory Manager Work = (919)515-3596 Forestry Department Home = (919)848-9241 North Carolina State University Email = Ramsay@cfr.cfr.ncsu.edu Box 8008 FAX = (919)515-6193 Raleigh, NC 27695