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, Diphysa, Cladrastis, Adenantheroxylon, Bauhinioxylon, Enantiophyllites, Taenioxylon, Papilionaceophyllum, Pterocarpoxylon, Pisum, Leucaena, Colutea, Desmodium, Schmidites, Albizia, Amorpha, Cytisus, Micropodium, Faboidea, Strongylodon, Campylotropis, Diplophyllum, Diphyllites, Palaeolobium, Acacioxylon, Vicia, Leguminoxylon, Pterogynoxylon, Ungerites, Albizzioxylon, Felixia, Gymnocladus, Thermopsis, Erythrophloeoxylon, Bauhinites, Pycnolobium, Tamarindoxylon, Erythrophleum, Dalbergiophyllum, Cottaites, Wisteria, Berlinioxylon, Caesalpinaceae, Aeschynomene, Fichtelites, Lespedeza, Polyadopollenites, Zittelia, Podalyriophyllum, Falcicutis, Martyia, Caesalpinioideae, Tetrapleuroxylon, Leguminocarpum, Brachystegioxylon, Robinoxylon, Vouapa, Andiroxylon, Mimosoxylon, Dichrostachyoxylon, Caesalpinioxylon, Astragalus, Desmodophyllum, Leguminosites, Inga, Mimosaceoxylon, Ervites, Dalbergioxylon, Fontainea, Adelocercis, Gleditsioxylon, Phaca, Cassioxylon, Cynometrophyllum, Ingophyllum, Gleditschites
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