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Psyche
Volume 102 (1995), Issue 3-4, Pages 169-172
http://dx.doi.org/10.1155/1995/18952

A Fossil Gymnopternus Loew (Diptera: Dolichopodidae) from the Florissant Beds, Colorado

Australian Museum, College & William Streets, Sydney South, NSW 2000, Australia

Received 10 October 1995

Copyright © 1995 Daniel J. Bickel.

Abstract

Gymnopternus lacustris n. sp. (Diptera: Dolichopodidae) is described from a compression fossil from the Eocene/Oligocene Florissant beds of Colorado, U.S.A. Gymnopternus has a rich recent fauna in North Americm and its fossil presence in these deposits is evidence of the essentially “modern” generic composition of the Tertiary dolichopodid fauna.