Cenozoic, Tertiary, Eocene (33.9-55.8 Mya).
Syntypes 3♀, Green River, Wyoming, USA (compression / impression).
Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA.
The type specimens are evidently culicine mosquitoes, but they cannot be assigned to genus Culex with confidence based on the available information (Edwards, 1923).
Fossil Culicidae: Culex damnatorum