Order Cycadales Dumortier 1829 (cycads)

Cycadopsida - Cycadales

Parent taxon: Cycadopsida according to A. B. Doweld 2001

See also Knowlton 1919, MacGinitie 1941, Meyen 1984 and Taylor et al. 2008

Sister taxa: Boweniaceae, Crassofilicites, Deltolepis, Dioales, Drepanozamites, Gnetales, Lagenostomales, Manebachia, Marantoidea, Orthogoniopteris, Pteridospermales, Stangeriaceae, Strangerites, Trigonocarpales, Welwitschiales

Subtaxa: Amuriella Anthrophyopsis Apoldia Archaeocycas Aricycas Beaniaceae Behuninia Bucklandia Bureja Cavamonocolpites Crossozamiaceae Ctenozamites Cycadaceae Cycadenia Cycadinorachis Dirhopalostachyaceae Eucommiidites Fascisvarioxylon Gymnovulites Haitingeria Heilungia Mesosingeria Michelilloa Nikania Nilsonia Nilssoniaceae Palaeozamia Paracycas Phasmatocycas Pleiotrichium Sarmatiella Stangerites Sueria Taeniopteris Zamiaceae

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Distribution:

• Quaternary of the Bahamas (1 collection)

• Pliocene to Pleistocene of the Congo-Kinshasa (1)

• Miocene of Chile (1), China (1), New Zealand (1), Venezuela (1)

• Oligocene to Miocene of Argentina (1), Australia (1)

• Oligocene of Australia (1), Germany (2), Hungary (1)

• Eocene to Miocene of Argentina (1)

• Eocene of Argentina (3), Australia (23), China (1), Japan (1), United States (1: Wyoming)

• Paleocene of Argentina (1), United States (7: Colorado, Wyoming)

• Paleogene of Argentina (1), India (1)

• Cretaceous to Paleogene of New Zealand (1)

• Cretaceous of Antarctica (5), Argentina (5), Australia (8), the Bahamas (6), Belgium (1), Brazil (25), Canada (23: Alberta, British Columbia), China (1), Colombia (10), Ecuador (2), Egypt (59), France (1), Germany (1), Greenland (8), India (11), Israel (9), Japan (2), Kazakhstan (1), Mongolia (1), Morocco (1), Nigeria (5), Peru (1), Puerto Rico (1), the Russian Federation (11), South Africa (8), Spain (1), Svalbard and Jan Mayen (1), the United Kingdom (1), United States (31: Alaska, British Columbia, Maryland, North Dakota, Oregon, South Dakota, Virginia, Wyoming)

• Jurassic to Cretaceous of Antarctica (2), Argentina (1), Canada (2: British Columbia, Yukon), Egypt (1), India (3), the Russian Federation (5)

• Jurassic of Afghanistan (4), Antarctica (2), Argentina (4), Australia (5), Azerbaijan (1), Belarus (4), Chile (1), China (103), Colombia (1), Egypt (2), France (19), Georgia (14), Germany (1), Greenland (2), Hong Kong (1), India (50), Iran (4), Italy (1), Japan (9), Kazakhstan (11), Kyrgyzstan (1), Lithuania (1), Mexico (6), Mongolia (1), New Zealand (9), Norway (1), Poland (3), Portugal (1), Romania (36), the Russian Federation (135), South Korea (1), Sri Lanka (1), Switzerland (1), Tajikistan (25), Turkmenistan (1), Ukraine (5), the United Kingdom (52), United States (8: Alaska, Colorado, Montana, Utah, Wyoming), Uzbekistan (11)

• Triassic to Jurassic of Australia (1), Canada (2: Northwest Territories), Georgia (1), Romania (1), Sweden (1), Ukraine (1)

• Triassic of Afghanistan (1), Antarctica (2), Argentina (7), Armenia (1), Australia (10), Austria (2), Chile (8), China (72), France (2), Germany (10), Greenland (8), Hungary (1), India (5), Iran (4), Israel (5), Italy (10), Japan (3), Kazakhstan (2), Kyrgyzstan (2), Lesotho (3), Mexico (18), Mongolia (6), New Zealand (1), Poland (1), the Russian Federation (25), South Africa (33), South Korea (8), Svalbard and Jan Mayen (2), Sweden (4), Switzerland (2), Tajikistan (7), Thailand (1), Ukraine (5), United States (13: Arizona, New Mexico, North Carolina, Utah, Virginia, Virginia/North Carolina), Vietnam (1)

• Wolfcamp of Mexico (1)

• Permian to Triassic of India (2), South Africa (1)

• Rotliegendes of United States (1: New Mexico)

• Permian of Australia (5), Canada (1: Prince Edward Island), China (103), the Czech Republic (3), France (8), Germany (11), India (19), Indonesia (1), Iraq (1), Italy (1), Japan (3), Madagascar (4), Malaysia (4), Mexico (1), Mongolia (2), Morocco (2), North Korea (5), Papua New Guinea (1), Peru (1), Portugal (1), the Russian Federation (1), Saudi Arabia (2), South Africa (2), South Korea (5), Spain (3), Tanzania (1), Thailand (2), Turkey (1), the United Kingdom (1), United States (21: Arizona, Kansas, Oklahoma, Texas, Utah), Venezuela (1), Zimbabwe (2)

• Pennsylvanian of Spain (1)

• Carboniferous of India (1), Portugal (1), Spain (1), United States (6: Arizona, Kansas, Ohio, West Virginia)

• Paleozoic of Chile (1)

Total: 1372 collections including 2705 occurrences

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