PaleoDB taxon number: 416659
Parent taxon: Coniferophyta according to H. N. Andrews 1970
Sister taxa: Abietoxylon, Abiocaulis, Albertia, Alloxylon, Androvettia, Anomaloxylon, Anomaspis, Arctoxylon, Benstedtia, Borysthenia, Callitrites, Calloxylon, Cedrophloios, Ceratostrobus, Cheirostrobus, Cladocupressoxylon, Coniferales, Coniferoxylon, Cormaraucarioxylon, Cormocedroxylon, Cormocupressoxylon, Cryptomerites, Cunninghamites, Cupressites, Cupressoxylon, Cycadocarpidium, Dammarophyllum, Dictyodendron, Eleoxylon, Eurysacis, Germaria, Glyptolepidium, Glyptostroboxylon, Hiltonia, Inolepis, Juniperoxylon, Krauselcladus, Laricopsis, Lebachia, Legnophora, Legnophora girardi, Libocedrites, Lutuginia, Lycopodites, Macrostachya, Metacedroxylon, Moranocladus, Paleotaxites, Palissya, Paranocladus, Paraphyllocladoxylon, Parapinuxylon, Peuce, Phleboxylon, Phyllocladopitys, Phyllostrobus, Physematopitys, Piceoxylon, Pityites, Pityocladus, Planoxylon, Platyspiroxylon, Podocarpites, Protobrachyoxylon, Protocedroxylon, Protojuniperoxylon, Protopiceoxylon, Protopinuxylon, Protopodocarpoxylon, Pseudoaraucarites, Pseudotaxodioxylon, Raritania, Retinosporites, Retinoxylon, Rhizocedroxylon, Rhizotaxodioxylon, Sboromirskia, Spiroxylon, Storgaardia, Swedenborgia, Taxeopsis, Taxodites, Taxoxylon, Taxoxylum, Thylloxylon, Torreyites, Trematoxylon, Tumion, Walchia, Walchiostrobus
Subtaxa: Zamioidea macrozamioides