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By: Blagoderov, Vladimir Aleksandrovich - Grimaldi, David A. - Fraser, Nicholas C.Edition:Publication info: New York, NY American Museum of Natural History c2007Volume: no.3572 (2007)Series:Holding Institution: American Museum of Natural History LibrarySubjects: Cascade (Pittsylvania County) Dan River Region (Va. and N.C.) Diptera Diptera, Fossil Evolution Insects, Fossil Paleontology Phylogeny Triassic VirginiaBHL Collections: