Authors: Esquivel-Macias, C Ausich, WI Buitron-Sanchez, BE De Dios, AF

Citation: C. Esquivel-macias et al., Pennsylvanian and Mississippian pluricolumnal assemblages (class Crinoidea) from southern Mexico and a new occurrence of a column with a tetralobate lumen, J PALEONTOL, 74(6), 2000, pp. 1187-1190