Polypodiopsida - Equisetales - Equisetidae
Parent taxon: Equisetales according to S. Chatterjee et al. 2013
See also Dilcher et al. 2005 and Jennings 1980
Sister taxa: Angaroradix, Annularia, Annulariopsis, Annulina, Archaeocalamitaceae, Barakaria, Borisiella, Corynophyllites, Equisetaceae, Equisetophyton, Manchurostachys, Neokoretrophyllites, Notocalamites, Oncylogonatum, Phyllostachya, Phyllothecaceae, Protannularia, Protocalamostachys, Pseudoannularia, Pseudoasterophyllites, Pseudolobatannularia, Raniganjia, Schizoneuropsis
Subtaxa: Arthrodendron Arthropityostachys Arthropitys Asterophyllites Asterophyllostachys Asthenomyelon Calamitea Calamites Calamitina Calamitomyelon Calamocarpon Calamocladus Calamodendrea Calamodendrofloyos Calamodendron Calamodendrophyllum Calamodendroxylon Calamophloios Calamostachys Coleophyllites Haplocalamus Metacalamostachys Myelocalamites Nematophyllites Neocalamites Pinnularia Protocalamites Pseudobornia Zimmermannioxylon
Distribution:
• Oligocene to Miocene of Australia (1 collection)
• Jurassic to Cretaceous of Egypt (1)
• Jurassic of Afghanistan (1), Argentina (2), China (79), Egypt (1), Georgia (11), Germany (2), Japan (1), Kazakhstan (11), Kyrgyzstan (2), Mongolia (1), Poland (2), Romania (3), the Russian Federation (50), Tajikistan (13), Ukraine (1), the United Kingdom (4), United States (1: Oregon/Idaho), Uzbekistan (1)
• Triassic to Jurassic of Canada (2: Northwest Territories), Georgia (2), Ukraine (1)
• Triassic of Antarctica (2), Argentina (5), Australia (3), Austria (1), Brazil (1), Chile (6), China (115), Germany (9), Greenland (11), India (1), Iran (4), Italy (1), Japan (4), Kazakhstan (2), Kyrgyzstan (3), Malaysia (1), Mongolia (5), the Russian Federation (21), South Africa (15), South Korea (4), Spain (1), Svalbard and Jan Mayen (2), Sweden (1), Switzerland (1), Tajikistan (2), Thailand (1), Ukraine (5), United States (11: Arizona, New Mexico, North Carolina, Virginia, Virginia/North Carolina), Vietnam (1)
• Permian of Australia (2), Canada (1: Prince Edward Island), China (60), the Czech Republic (3), France (6), Germany (18), Indonesia (1), Italy (1), Malaysia (3), Mexico (1), Morocco (2), North Korea (5), Oman (1), Portugal (1), the Russian Federation (6), Saudi Arabia (1), South Korea (4), Spain (1), the United Kingdom (3), United States (7: Arizona, Colorado, Oklahoma, Texas), Venezuela (1), Zimbabwe (1)
• Namurian of Germany (1), Spain (1)
• Carboniferous to Permian of Morocco (1), Spain (1), United States (1: New Mexico)
• Carboniferous of Belgium (1), Belize (2), Canada (22: New Brunswick, Newfoundland and Labrador, Nova Scotia, Nunavut, Prince Edward Island), Egypt (1), Germany (6), India (1), the Netherlands (1), Portugal (3), Spain (8), Turkey (2), Ukraine (4), the United Kingdom (15), United States (106: Alabama, Arizona, Colorado, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, West Virginia)
• Devonian of United States (4: Alaska, Indiana)
Total: 742 collections including 1194 occurrences