†Mialsemia
Parent taxon: Erniettamorpha according to J. J. Sepkoski 2002
Sister taxa: Bomakellia, Dickinsonia, Ernietta, Nasepia, Phyllozoon, Pteridinium, Spriggina, Swartpuntia, Vendia, Vendomia, Windermeria
Subtaxa: Mialsemia semichatovi
Ecology: stationary epifaunal suspension feeder