Coryphostoma crassum
(Vasilenko & Myatlyuk, 1947)
identified by scientist   
Cretaceous
Kurdistan

Coryphostoma crassum
(Vasilenko & Myatlyuk, 1947)
identified by scientist   
Cretaceous
Kurdistan

Coryphostoma digitale
(d'Orbigny, 1846)
type specimen   lectotype
Neogene
Vienna Basin

Coryphostoma digitale
(d'Orbigny, 1846)
identified by scientist   
Neogene
Pannonian Basin

Coryphostoma gemma
(Cushman, 1927)
type specimen   holotype
Cretaceous

Coryphostoma incrassatum
(Reuss, 1851)
type specimen   holotype
Cretaceous

Coryphostoma incrassatum
(Reuss, 1851)
identified by M. Hesemann   
Cretaceous
East Coast

Coryphostoma midwayense
(Cushman, 1936)
type specimen   holotype
Paleogene

Coryphostoma plaitum
(Carsey, 1926)
identified by scientist   
Cretaceous
North European Plain

Coryphostoma sp.
---
identified by scientist   
Cretaceous
North European Plain