Genus
Sigmobolbina Henningsmoen, 1953
Images | ||||||
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GIT 138-12 | Sigmobolbina variolaris | Sigmobolbina variolaris (Bonnema, 1909) | Kukruse Stage | ||||
GIT 138-15 | Sigmobolbina quanta | Sigmobolbina quanta Sarv, 1959 | Idavere Substage | ||||
GIT 138-16 | Sigmobolbina quanta | Sigmobolbina quanta Sarv, 1959 | Keila Stage | ||||
GIT 138-17 | Sigmobolbina quanta | Sigmobolbina quanta Sarv, 1959 | Keila Stage | ||||
GIT 138-231 | Jõhvi Substage | holotype | ||||
GIT 138-232 | Jõhvi Substage | |||||
GIT 138-233 | Jõhvi Substage | holotype | ||||
GIT 138-234 | Jõhvi Substage | |||||
GIT 138-52 | Sigmobolbina prominesca | Sigmobolbina prominesca Sarv, 1959 | Idavere Substage | ||||
TUG 1820-6 | 748 | Pirgu Stage | Jelgava formation |