Order Calamopityales
Parent taxon: Ginkgoopsida according to S. V. Meyen 1984
See also Taylor et al. 2008
Sister taxa: Asterophyllum, Callistophytales, Caytoniales, Czekanowskiales, Dactylophyllum, Ephedrales, Ginkgoales, Karkeniales, Leptostrobales, Linguifolium, Pentoxylales, Umaltolepididae
Subtaxa: Calamopityaceae Diichnia
Distribution:
• Namurian of the Czech Republic (1 collection)
• Carboniferous of France (4), Germany (1), the United Kingdom (35)
• Devonian of United States (11: Indiana, Kentucky, New York)
Total: 52 collections including 109 occurrences