Insecta - Odonata - Dysagrionidae
Alternative spelling: Dysagrioninae
Full reference: T. D. A. Cockerell. 1908. Fossil Insects from Florissant, Colorado. Bulletin of the American Museum of Natural History 24:59-69
Parent taxon: Cephalozygoptera according to J. L. Ware et al. 2025
See also Archibald et al. 2021, Bechly 2007, Cockerell 1908, Garrouste and Nel 2015, Nel and Arillo 2006, Nel and Fleck 2014 and Rust et al. 2008
Sister taxa: Agrion exhaustum, Agrion hecticum, Agrion mysis, Agrion thais, Andrephlebia, Burmadysagrionidae, Caloptera, Dinosamarura, Eopodagrion, Euzygoptera, Furagrion, Gasophlebia, Gomphus resinatus, Hemiphlebioidea, Italolestes, Megalestes anglicus, Mesomegaloprepidae, Platystictoidea, Podagrion abortivum, Pulchrairina, Samarura, Santanagrion, Shundeagrionidae, Steleopteridae, Steropoides, Eodichromatoidea, Sieblosiidae, Whetwhetaksidae
Subtaxa: Allenbya Dysagrioninae Dysagrionites Menatagrion Paradysagrion Petrolestinae Stenodiafanus Thanetophilosina Valerea
Type: Dysagrion
Ecology: fast-moving volant carnivore-insectivore
Distribution:
• Miocene of Bulgaria (1 collection), Croatia (1)
• Eocene of Canada (8: British Columbia), Denmark (2), Germany (1), the Russian Federation (2), the United Kingdom (1), United States (13: Colorado, Washington, Wyoming)
• Paleocene to Eocene of United States (1: Alaska)
• Paleocene of France (3)
• Cretaceous of China (1)
Total: 34 collections including 65 occurrences