Notopeplum Finlay 1927 (volute)
Gastropoda - Neogastropoda - Volutidae
Parent taxon: Zidoninae according to B. Wilson 1994
Sister taxa: Adelomelon, Alcithoe, Ericusa, Guivillea, Harpovoluta, Iredalina, Livonia, Mauira, Mauithoe, Melo, Metamelon, Miomelon, Pachycymbiola, Pachymelon, Palaeomelon, Palomelon, Sigaluta, Spinomelon, Teremelon, Waihaoia, Zidona, Zygomelon
Subtaxa: Notopeplum maccoyi, Notopeplum polita
Type: Notopeplum polita
Ecology: epifaunal carnivore