Subgenus Septa Perry, 1810
Type species: Cymatium (Septa) rubeculum (Linnaeus, 1758) Cymatium (Septa) rubeculum (Linnaeus, 1758) Color Variety Cymatium (Septa) bibbeyi Beu, 1987
Cymatium rubeculum Cymatium rubeculum Color Variety Cymatium bibbeyi
Type Species    
Cymatium (Septa) closeli Beu, 1987 Cymatium (Septa) flaveolum (Röding, 1798) Cymatium (Septa) hepaticum (Röding, 1798)
Cymatium closeli Cymatium flaveolum Cymatium hepaticum
Cymatium (Septa) marerubrum Garcia-Talavera, 1985 Cymatium (Septa) peasei Beu, 1987 Cymatium (Septa) mixtum Arthur & Garcia-Talavera, 1990
Cymatium marerubrum Cymatium peasei Cymatium mixtum
  Cymatium (Septa) occidentale (Mřrch, 1877)  
  Cymatium occidentale