Rhynchotrema
Species
Rhynchotrema dentatum (Hall, 1847)
Occurrence: Waynesville, Liberty, Whitewater
Reference: Howe, 1979; Schwimmer and Sandy, 1996
One plication in sulcus
Rhynchotrema increbescens (Hall, 1847)
Occurrence: Fulton
Reference: Howe, 1979
Includes Rhynchotrema inaequivalve, Rhynchotrema kentuckiense, Rhynchotrema quadriplicata
Three plications in sulcus