Tertiary Fossil Insects from Eastern Oregon

T. D. A. Cockerell

1927

Chapter

64-65

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Taxa discussed in this work:

• Acericecis chaneyi
• Passalus (Passalus) indormitus
• Permarrhaphus venosus
• Somatochlora
• Somatochlora oregonica

Taxonomy:

• Somatochlora oregonica belongs to Somatochlora - Cockerell (1927)
• Permarrhaphus venosus belongs to Permarrhaphus - Cockerell (1927)