Bennettitales - Bennettitaceae
Synonym: Cycadeoideaceae
Parent taxon: Bennettitales according to S. V. Meyen 1984
See also Knowlton 1919, Taylor et al. 2008 and Yamada 2007
Sister taxa: Amarjolia, Anomozamites, Bennetticarpus, Bennettistemon, Bennettitaepollenites, Bennettiteaepollenites, Bennettitolepis, Bysmatospermum, Coreanophyllum, Cycadeospermum, Cycadolepis, Dictyozamites, Guptioxylon, Leguminanthus, Lerouxia, Moltenia, Monanthesia, Nilssoniopteris, Ontheanthus, Ontheostrobus, Otozamites, Palaeanthus, Piroconites, Pseudocycas, Pterophyllum, Ptilophyllum, Purioxylon, Rajmahalia, Sahnioxylon, Sturiella, Tyrmia, Tysonia, Vardekloeftia, Weltrichia, Wielandiella, Williamsonia, Williamsoniaceae, Williamsonianthus, Williamsoniella, Wonnacottia, Zamites
Subtaxa: Bennettites Cycadella Cycadeoidea
Distribution:
• Cretaceous of Canada (1: British Columbia collection), United States (11: California, Idaho, Kansas, Maryland, South Dakota, Utah)
• Jurassic of France (1), Poland (1), Ukraine (1), United States (1: Colorado)
• Triassic of Italy (1)
Total: 17 collections including 44 occurrences