Cerion columbiana Maynard and Clapp in Maynard, 1921
90 S. columbiana.
Robust, .92 by .40: frontal bar thin: costae 21, a little narrower than interspaces; dark ash-brown. costae and margin yellow-white. pale ashy within. Pigeon Key. not uncommon, chiefly under stones. 900. Plate 33. figs. 3, 4." (Maynard and Clapp in Maynard, 1921a:136)