Gastropoda - Trochoidea - Trochidae

Synonyms: Anisodiloma Finlay 1926, Cavodiloma Finlay 1926, Fractarmilla Finlay 1926, Melagraphia, Neodiloma Fischer 1885

Parent taxon: Gibbulini according to K. M. Donald et al. 2005

Sister taxa: Alcyna, Calthalotia, Cantharidella, Cantharidini, Cantharidus, Clanculus, Discotectus, Eurytrochus, Fagnastesia, Gibbula, Infundibulum, Jujubinus, Monodonta, Nanula, Notogibbula, Phasianotrochus, Plectotrochus, Pyramis, Tectus, Tosatrochus, Trochini, Oxystele, Chlorodiloma, Austrocochlea, Osilinus

Subtaxa: Diloma (Paroxystele), Diloma (Pictodiloma), Diloma galei, Diloma galiciense, Diloma primitiva

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Type: Arkhangelskiella primitiva

Ecology: epifaunal grazer