Parent taxon: Gymnospermophyta according to Cleal 1994
Sister taxa: Accintisporites, Alisporites, Allicospermum, Amdrupia, Antarcticoxylon, Ashmoripollis, Cedripites, Cerebropollenites, Cycadinoxylon, Darneya, Decussosporites, Dinophyton, Eddya, Embergerixylon, Enzonalasporites, Exesipollenites, Falcisporites, Galeacornea, Gnetaceaepollenites, Indusiisporites, Ktalenia, Lasiostrobus, Lobatoxylon, Majsassia, Menaispermae, Minutosaccus, Paradoxoxylon, Parataxopitys, Parcisporites, Perinopollenites, Pilasporites, Protocircoporoxylon, Protopitys, Protopolyporoxylon, Prototaxodioxylon, Pteridospermaexylon, Pteridospermopsida, Reticulopitys, Rugubivesiculites, Scotoxylon, Shanbeipollenites, Sofrepites, Solenoxylon, Squamae, Striomonosaccites, Svalbardoxylon, Taeniopitys, Taxacites, Tordoxylon, Trisocladus, Tungussocarpus, Yezonia, Yorkoxylon, Zonallapollenites
Subtaxa: Elkinsiales
Distribution:
• Devonian of Belgium (1 collection), United States (1: West Virginia)
Total: 2 collections each including a single occurrence