†Tympanotonus (Exechocirsus) (cerith snail)
Gastropoda - Cerithioidea - Cerithiidae
Parent taxon: Tympanotonus according to M. A. Kosnik 2002
Sister taxa: Tympanotomus laevis, Tympanotomus pseudodiaboli, Tympanotonus (Tympanotonus), Tympanotonus calcaratus, Tympanotonus hungaricus, Tympanotonus lagunitensis
Subtaxa: none
Ecology: epifaunal herbivore
Distribution: found only at Steinbruch Rauen, Kassenberg Quarry, Mülheim/Ruhr (Cretaceous of Germany)