Insecta - Odonata - Dysagrionidae
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: Dysagrionidae according to J. L. Ware et al. 2025
See also Archibald et al. 2021, Archibald and Cannings 2022, Huang et al. 2017, Zheng et al. 2017, Zheng et al. 2016 and Zheng et al. 2019
Sister taxa: Allenbya, Dysagrionites, Menatagrion, Paradysagrion, Petrolestinae, Stenodiafanus, Thanetophilosina, Valerea
Subtaxa: Dysagrion Dysagrionini Electrophenacolestes Okanagrion Okanopteryx Phenacolestes Primorilestes Stolleagrion Tenebragrion
Type: Dysagrion
Ecology: fast-moving volant carnivore-insectivore
Distribution:
• Miocene of Bulgaria (1 collection), Croatia (1)
• Eocene of Canada (5: British Columbia), Denmark (2), the Russian Federation (2), the United Kingdom (1), United States (11: Colorado, Washington, Wyoming)
Total: 23 collections including 48 occurrences