"166 b. S. CONCINA.
Small (.65 by .30); Conic: costae fine, a little nrrrower [sic] than interspaces; aperture small (.15), margin quite thick (.08). frontal bar very low and thin, lower tooth rather prominent and set back once its length, upper tooth absent. Fossil from crab hole St .. James Corner. One specimen." (Maynard, 1924c:4)