Angiospermae - Fabales - Fabaceae
Parent taxon: Fabaceae according to Z. X. Wang and B. N. Sun 2022
Sister taxa: Acacia, Aeschynomenoxylon, Afzelia, Albizinium, Archidendron, Baphioxylon, Baphioxylon, Barnebydendron, Bauhinia, Bauhinioxylon, Berlinia, Butea, Caesalpinia, Callerya, Canavalia, Cassia, Cassinium, Ceratonia, Copaifera, Crotalaria, Cynometra, Dalbergia, Derris, Dewevrea, Dialium, Dialiumoxylon, Dussia, Ebenopsis, Entada, Erichsenia, Erythrina, Euacacioxylon, Faboideae, Hedysareae, Hoffmannseggia, Hopeoxylon, Humboldtia, Indigofera, Ingoxylon, Isoberlinioxylon, Kingiodendron, Koompassia, Koompassioxylon, Leguminocarpon, Leguminophyllum, Listia, Macrolobium, Margocolporites, Mezcala, Millettia, Millettioxylon, Mimosoideae, Mora, Mucuna, Myrtacidites, Neoapaloxylon, Neonotonia, Ohashia, Ohwia, Ormosia, Ormosioxylon, Ougenioxylon, Oxylobium, Pahudioxylon, Paracacioxylon, Parapiptadenia, Peltophoroxylon, Pericopsoxylon, Phaeoceros, Phaseolus, Philenoptera, Pongamia, Praedapollis, Pterocarpus, Pueraria, Rothia, Samanea, Sesbania, Sindora, Spathionema, Spirosyncolpites, Tadehagi, Tephrosia, Vatairea, Wagatea, Whitfordiodendron, Leucaena, Papilionaceophyllum, Ervites, Pterogynoxylon, Pisum, Brachystegioxylon, Diplophyllum, Mimosoxylon, Amorpha, Felixia, Strongylodon, Pycnolobium, Andiroxylon, Campylotropis, Wisteria, Bauhinioxylon, Colutea, Vouapa, Diphyllites, Thermopsis, Desmodophyllum, Berlinioxylon, Tamarindoxylon, Cladrastis, Podalyriophyllum, Aeschynomene, Bauhinites, Gleditsioxylon, Gymnocladus, Caesalpinaceae, Fichtelites, Leguminosites, Adenantheroxylon, Falcicutis, Micropodium, Robinoxylon, Vicia, Diphysa, Phaca, Taenioxylon, Erythrophloeoxylon, Caesalpinioideae, Cynometrophyllum, Ungerites, Desmodium, Leguminocarpum, Lespedeza, Dalbergiophyllum, Ingophyllum, Astragalus, Cottaites, Leguminoxylon, Schmidites, Pterocarpoxylon, Palaeolobium, Enantiophyllites, Dichrostachyoxylon, Adelocercis, Cassioxylon, Inga, Erythrophleum, Faboidea, Acacioxylon, Polyadopollenites, Albizia, Zittelia, Dalbergioxylon, Gleditschites, Cytisus, Martyia, Caesalpinioxylon, Albizzioxylon, Mimosaceoxylon, Fontainea, Tetrapleuroxylon
Subtaxa: Cercis
Ecology: "photoautotroph"
Distribution:
• Quaternary of China (1 collection), Japan (1)
• Miocene to Oligocene of United States (1: Montana)
• Miocene of China (6), Ecuador (2), Japan (1), United States (3: Montana, Nevada, Washington)
• Oligocene to Miocene of United States (2: Montana)
• Oligocene of China (1), United States (6: Montana, Oregon)
• Eocene to Oligocene of United States (4: Colorado)
• Eocene of China (1), United States (1: Colorado)
Total: 30 collections including 32 occurrences