Polypodiopsida - Equisetales - Equisetidae
Parent taxon: Calamitaceae according to S. Chatterjee et al. 2013
See also Dilcher et al. 2005, Jennings 1980 and Tidwell et al. 1992
Sister taxa: Arthrodendron, Arthropityostachys, Arthropitys, Asterophyllites, Asterophyllostachys, Asthenomyelon, Calamitea, Calamitina, Calamitomyelon, Calamocarpon, Calamocladus, Calamodendrea, Calamodendrofloyos, Calamodendron, Calamodendrophyllum, Calamodendroxylon, Calamophloios, Calamostachys, Coleophyllites, Haplocalamus, Metacalamostachys, Myelocalamites, Nematophyllites, Neocalamites, Pinnularia, Protocalamites, Pseudobornia, Zimmermannioxylon
Subtaxa: Calamites (Mesocalamites) Calamites aliwalensis Calamites goepperti Calamites radiatus Calamites suckowii Calamites undulatus
Type: Calamites radiatus
Distribution:
• Jurassic of the United Kingdom (1 collection)
• Triassic of Antarctica (1), China (1), Germany (3), South Africa (15), United States (2: Arizona, Virginia)
• Permian of Canada (1: Prince Edward Island), China (56), the Czech Republic (1), France (4), Germany (1), Indonesia (1), Italy (1), Malaysia (3), Mexico (1), Morocco (1), North Korea (3), Oman (1), Portugal (1), the Russian Federation (5), Saudi Arabia (1), South Korea (4), Spain (1), the United Kingdom (1), United States (6: Arizona, Colorado, Oklahoma, Texas), Zimbabwe (1)
• Carboniferous to Permian of Morocco (1), Spain (1)
• Carboniferous of Belize (2), Canada (19: New Brunswick, Newfoundland and Labrador, Nova Scotia, Nunavut, Prince Edward Island), Egypt (1), Germany (3), Portugal (1), Spain (7), Turkey (1), Ukraine (4), the United Kingdom (9), United States (72: Alabama, Arizona, Colorado, Georgia, Illinois, Indiana, Kansas, Kentucky, Michigan, Missouri, New Mexico, Ohio, Oklahoma, Texas, Utah, West Virginia)
Total: 238 collections including 345 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.