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Fossil Dragonflies from Florissant Colorado
T. D. A. Cockerell
1907
Article
Bulletin of the American Museum of Natural History
23:133-139
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Taxa discussed in this work:
Hesperagrion
Hesperagrion praevolans
Lithaeschna
Oligoaeschna needhami
Taxonomy:
Hesperagrion praevolans
belongs to
Hesperagrion
- Cockerell (1907)