Butterflies from the Middle Eocene: The Earliest Occurrence of Fossil Papilionoidea (Lepidoptera)

Date
1978
Authors
Durden, Christopher J.
Rose, Hugh
Journal Title
Journal ISSN
Volume Title
Publisher
Texas Memorial Museum, The University of Texas at Austin
Abstract

Three fossil butterflies recently collected from the Green River Shale of Colorado extend the known range of Rhopalocera eight to ten million years back, to 48 Ma. Praepapilio Colorado n. g., n. sp., and P. gracilis n. sp. are primitive Papilionidae related to the modern Baronia brevicornis Salvin, but they require a new subfamily, Praepapilioninae. Riodinella nympha n. g., n. sp. is a primitive member of the Lycaenidae, related to modern Ancyluris, Riodina, and Rhetus, in the tribe Riodinidi.

Description
Contents: Text -- Photographs -- References
Citation