"37. S. accuminator, Smaller, more pointed, 1.15 [29.2 mm] by .47 [11.9 mm] ; costae, 20. as wide as interspaces; yellow-white. buffy within. Common on Long Key chiefly under loose fragments of limestone. 1500. Plate 20, figs. 1, 2." (Maynard and Clapp in Maynard, 1920d:124).