†Cylindrobullina (Euconactaeon) Meek 1863
Gastropoda - Opisthobranchia - Cylindrobullinidae
Alternative spelling: Euconactaeon
Parent taxon: Cylindrobullina according to O. Haas 1953
Sister taxa: Cylindrobullina (Conactaeon), Cylindrobullina (Cylindrobullina), Cylindrobullina avena, Cylindrobullina convexa, Cylindrobullina dorsetensis, Cylindrobullina kirlingtonensis, Cylindrobullina pseudmoorei, Cylindrobullina ventricosa
Subtaxa: Cylindrobullina (Euconactaeon) ninacacana, Cylindrobullina (Euconactaeon) tambosolensis