Subfamily

Perspicillinae Schallreuter, 1967


GIT 138-12	Sigmobolbina variolaris \| Sigmobolbina variolaris (Bonnema, 1909)	Humala		Kukruse Stage
GIT 138-13	Pentagona joehviensis \| Sigmobolbina prominesca var. joehviensis Sarv, 1959	Jõhvi-Paemurru quarry		Idavere Substage	holotype
GIT 138-14	Pentagona joehviensis \| Sigmobolbina prominesca var. joehviensis Sarv, 1959	Jõhvi-Paemurru quarry		Idavere Substage
GIT 138-15	Sigmobolbina quanta \| Sigmobolbina quanta Sarv, 1959	Jõhvi-Paemurru quarry		Idavere Substage
GIT 138-16	Sigmobolbina quanta \| Sigmobolbina quanta Sarv, 1959	Oandu		Keila Stage
GIT 138-17	Sigmobolbina quanta \| Sigmobolbina quanta Sarv, 1959	Oandu		Keila Stage
GIT 138-52	Pentagona joehviensis	Jõhvi-Paemurru quarry		Idavere Substage
TUG 1610-75	Pentagona pentagona \| Pentagona pentagona	Põõsaspea Cliff		Keila Stage \| DII
TUG 1820-6	Sigmobolbina camarota	Jurmala R-1 borehole	748	Pirgu Stage \| Jelgava formation
GIT 270-119	Sigmobolbina camarota \| Sigmobolbina camarota Jaanusson, 1966	Laeva 18 borehole	231.7	Rakvere Stage