Parent taxon: Pteropsida according to L. J. Hickey 1977
See also MacGinitie 1941
Sister taxa: Altitriletes, Cymoglossa, Dichotospermum, Diplasterotheca, Jidopteris, Parapecopteris, Partschia, Phthinophyllum, Pseudopecopteris, Pseudopecopteris, Rhodea, Verreticulisporis
Subtaxa: Anomopteris Cyathocarpus Eupecopteris Lageniopteris Langcamia Lobatopteris Moakheopteris Mokrawia Neuropteridium Palaeogleichenia Palaeoweichselia Palibiniopteris Pecopteridium Pecopteris Polymorphopteris Prepecopteris Sturiella Thainguyenopteris Thinnfeldiella Ussuriopteris
Distribution:
• Neogene of China (1 collection)
• Miocene of Switzerland (1)
• Oligocene of Argentina (1)
• Cretaceous of Antarctica (1), Belgium (2), Spain (3), United States (4: Wyoming)
• Jurassic to Cretaceous of India (1)
• Jurassic of China (1), India (8), Mexico (1), Poland (1), Portugal (1), the United Kingdom (1)
• Triassic to Jurassic of Sweden (1)
• Triassic of Australia (1), China (11), France (4), Germany (18), Hungary (1), India (1), Iran (1), Italy (10), Kyrgyzstan (1), Mexico (11), the Russian Federation (9), Serbia and Montenegro (1), Switzerland (1), Tajikistan (2), Ukraine (1), United States (2: North Carolina, Virginia)
• Permian of Argentina (4), Bolivia (1), Brazil (11), Canada (1: Prince Edward Island), China (154), the Czech Republic (4), France (9), Germany (17), Greenland (1), Hungary (1), India (8), Indonesia (1), Iraq (1), Italy (2), Japan (1), Jordan (1), Madagascar (2), Malaysia (4), Mexico (2), Mongolia (9), Morocco (3), North Korea (8), Papua New Guinea (1), Peru (1), Portugal (1), the Russian Federation (86), Saudi Arabia (5), South Africa (2), South Korea (4), Spain (2), Thailand (2), Turkey (2), the United Kingdom (2), United States (17: Arizona, Colorado, Kansas, Oklahoma, Texas), Venezuela (1), Zimbabwe (1)
• Carboniferous to Permian of Morocco (1), Spain (2)
• Carboniferous of Brazil (1), Canada (16: New Brunswick, Nova Scotia, Prince Edward Island), France (2), Germany (3), India (1), Portugal (3), Spain (10), Turkey (2), the United Kingdom (2), United States (87: Alabama, Alaska, Arizona, Georgia, Illinois, Indiana, Kansas, Kentucky, Michigan, Missouri, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, West Virginia)
Total: 605 collections including 1490 occurrences