[1]
B.-E. Buitrón-Sánchez, F.-J. Cuen-Romero, M.-S. Beresi, and R. Monreal, “First record of Ubaghsicystis (Eocrinoidea - Echinodermata) from the Cambrian (Miaolingian, Wuliuan) of Sonora, Mexico: Biostratigraphical and paleoecological considerations”, Rev. Biol. Trop., vol. 69, no. S1, pp. S51–S65, Mar. 2021.