Now showing items 1-3 of 3
Butterflies from the Middle Eocene: The Earliest Occurrence of Fossil Papilionoidea (Lepidoptera)
(Texas Memorial Museum, The University of Texas at Austin, 1978)
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. ...
Early Tertiary Vertebrate Faunas, Trans-Pecos Texas: Ceratomorpha Less Amynodontidae
(Texas Memorial Museum, The University of Texas at Austin, 1984-12-07)
Ceratomorph remains found in Eocene and Oligocene deposits of Trans-Pecos Texas are herein described, except for the amynodonts which were described in a previous paper. Hyracodon primus, Hyracodon petersoni, and Colodon ...
Coryphodon (Mammalia, Pantodonta) From the Hannold Hill Formation, Eocene of Trans-Pecos Texas
(Texas Memorial Museum, The University of Texas at Austin, 1989-01)
Speciments of the large extinct pantodont Coryphodon from the Hannold Hill Formation, Brewster County, Texas belong to single species, Coryphodon molestus. A sample of Coryphodon molestus from one locality in the Hannold ...