Dysagrion fredericii

Taxonavigation

Taxonavigation: Cephalozygoptera
Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Superphylum: Ecdysozoa Cladus: Panarthropoda Phylum: Arthropoda Cladus: Mandibulata Cladus: Pancrustacea Cladus: Allotriocarida Subphylum: Hexapoda Classis: Insecta Cladus: Dicondylia Subclassis: Pterygota Superordo: Odonatoptera Ordo: Odonata Subordo: †Cephalozygoptera

Superfamilia: †"Sieblosioid Group"
Familia: †Dysagrionidae
Subfamilia: †Dysagrioninae
Genus: †Dysagrion
Species: †Dysagrion fredericii

†Dysagrion fredericii Scudder, 1878

Holotype: MCZ 4165
- Repository: Museum of Comparative Zoology, Harvard University, Cambridge, Middlesex County, Massachusetts, United States
  - Collected: by Frederick O.(or C.?) Bowditch and Samuel Hubbard Scudder

Eocene, Ypresian (Bridgerian); Green River Formation, "Lake Gosiute", Laney Member; Petrified fish cut, Green River Station, Sweetwater County, Colorado, United States

"Several specimens of various parts of the body with wings were found by Mr. F. O. Bowditch (after whom the species is named)" (Scudder, 1878)
"Named for my friend and fellow collector of Green River fossils, Mr. Frederick C. Bowditch, of Boston." (Scudder, 1890)

Eocene

Ypresian (Bridgerian)
- Green River Formation, "Lake Gosiute", Laney Member; Petrified fish cut, Green River Station, Sweetwater County, Colorado, United States

Scudder, S.H. 1878. An Account of Some Insects of Unusual Interest from the Tertiary Rocks of Colorado and Wyoming. Bulletin of the United States Geological and Geographical Survey of the Territories 4(2): 519–543.
Scudder, S.H. 1890. The Tertiary insects of North America. Report of the United States Geological Survey of the Territories 13: 1–734, pls. 1–28, 1 map. BHL Reference page.
Bechly G.; Garrouste R.; Aase A.; Karr J.A.; Grande L.; Nel A. 2021. The damselfly palaeofauna from the Eocene of Wyoming and Colorado, USA (Insecta, Odonata, Zygoptera). Papers in Palaeontology 7(3): 1373–1402. doi:10.1002/spp2.1346. ISSN 2056-2799.
Archibald, S.B., Cannings, R.A., Erickson, R.J., Bybee, S.M. & Mathewes, R.W. 2021. The Cephalozygoptera, a new, extinct suborder of Odonata with new taxa from the early Eocene Okanagan Highlands, western North America. Zootaxa 4934(1): 1–133. DOI: 10.11646/zootaxa.4934.1.1 . Reference page.
Ware J.; Simonsen T.J.; Rasmussen J.A.; Archibald S.B. 2025. Systematics of the extinct suborder Cephalozygoptera (Odonata): a wing-based analysis comparing its genera with those of extant Zygoptera. American Museum Novitates 4043: 1–19.