†unranked clade Monsteroideae Engler
Angiospermae - Mesangiosperms - Araceae
Parent taxon: Araceae according to M. E. J. Chandler 1978
Sister taxa: Acoropsis, Acorus, Anthuriophyllum, Araceaeites, Araceaepites, Araceophyllum, Aracispermum, Arecites, Arisaema, Arisaemites, Aronites, Aronium, Caladiosoma, Campylospermum, Cobbania, Colocasia, Colocasioideaepites, Lemnoideae, Natantisphyllum, Orontioideae, Pandaniidites, Peltandra, Pistia, Pistites, Porosia, Proxapertites, Thrinax, Typhonium
Subtaxa: Epipremnum
Ecology: "photoautotroph"
Distribution:
• Quaternary of United States (1: Alaska collection)
• Pliocene of Germany (5)
• Miocene of Poland (1), the Russian Federation (17)
• Oligocene of the Russian Federation (16)
Total: 40 collections including 63 occurrences