Adults with 4.0-4.9 whorls. Spire longer, 0.9-1.3 times height of aperture. Superior tubercles not arranged in oblique longitudinal series. Cincinnatia parva Thompson, 1968. Endemic to Blue Springs, Volusia County.
Whorls globose with a deeply impressed suture.
Shell 2.8-3.7 mm long. Thin and translucent or transparent. U-shaped superior crest not enclosing longitudinal crests. Cincinnatia ponderosa Thompson, 1969. Endemic to Sanlando Springs, Seminole County. 55a .