KOCIOLEK, J.P., & G.K. KHURSEVICH 2013 (online Aug 29) Morphology of some fossil lacustrine centric species from the western United States assigned to the genus Cyclotella (Bacillariophyta), including four described as new Phytotaxa 127(1): 81-99, 77 figs. Cyclotella kansasica is lapsus for C. kansasensis |