Gyrotoma excisa
Excised slitshell
Striate slitshell
Gyrotoma lewisii
Pagoda slitshell
Gyrotoma pagoda
Ribbed slitshell
Gyrotoma pumila
Pyramid slitshell
Gyrotoma pyramidata
Round slitshell
Gyrotoma walkeri
Gyrotoma lumila
Gyrotoma conica
Gyrotoma hendersoni
Gyrotoma laeta