Parent taxon: Monocotyledonae according to J. Shoshani et al. 1989
Sister taxa: Alismatales, Arales, Arecidae, Arundo, Commelinacea, Commelinidae, Deccananthus, Doryanthites, Dracaenites, Festucophyllites, Florentinites, Glumiflorae, Graminales, Halocharis, Helobiae, Hypoglossidium, Isselia, Liliidae, Microrrhagion, Monocotylophyllum, Monocotylorhizos, Monocotylostrobus, Monoporites, Monosulcites, Najadales, Palmales, Palmoidopteris, Pandanites, Phylladelphia, Phyllotaenia, Podostachys, Principes, Ravenalospermum, Restioniidites, Sabalpollenites, Scitaminales, Scitamineae, Shuklanthus, Spathiflorae, Stellatopollis, Triloculaire, Triloculocarpon, Velamenorhizos, Viracarpon, Xyridales, Zingiberidae, Zosterites
Subtaxa: Alismaceae
Ecology: "photoautotroph"
Distribution:
• Quaternary of the Bahamas (1 collection), the United Kingdom (2), United States (1: North Carolina)
• Pliocene to Pleistocene of Italy (1)
• Pliocene of Germany (5), the Russian Federation (1)
• Miocene of Germany (13), Poland (1), the Russian Federation (9)
• Oligocene of Germany (1)
• Eocene of the United Kingdom (1)
• Tertiary of the Russian Federation (1)
• Paleocene of United States (6: Colorado, Montana, North Dakota, South Dakota, Wyoming)
Total: 43 collections including 47 occurrences