Fastigiella Reeve 1848 (cerith snail)
Gastropoda - Sorbeoconcha - Cerithiidae
Parent taxon: Cerithiadae according to J.-M. Pacaud and J. Le Renard 1995
Sister taxa: Alabininae, Argyropeza, Ataxocerithium, Bellatara, Bezanconia, Bittiinae, Bittiolum, Cerithidium, Cerithiinae, Cerithinella, Cestumcerithium, Exelissa, Hemicerithium, Liocerithium, Nudivagus, Occidentocerithium, Orthochetus, Portoricia, Prismacerithium, Pseudoaluco, Royella, Schroederium, Serratocerithium, Sundabittium, Taxonia, Zefallacia
Subtaxa: Fastigiella (Fastigiella), Fastigiella (Mellevillia)
Ecology: epifaunal grazer