†subfamily Orontioideae Mayo et al. 1997
Angiospermae - Mesangiosperms - Araceae
Parent taxon: Araceae according to J. Bogner et al. 2005
Sister taxa: Acoropsis, Acorus, Anthuriophyllum, Araceaeites, Araceaepites, Araceophyllum, Aracispermum, Arecites, Arisaema, Arisaemites, Aronites, Aronium, Caladiosoma, Campylospermum, Cobbania, Colocasia, Colocasioideaepites, Lemnoideae, Monsteroideae, Natantisphyllum, Pandaniidites, Peltandra, Pistia, Pistites, Porosia, Proxapertites, Thrinax, Typhonium
Subtaxa: Albertarum
Ecology: "photoautotroph"
Distribution: found only at Fox Coulee Quarry (Cretaceous of Alberta)