Hannold Hill Formation

The Hannold Hill Formation is an Early Eocene (Wasatchian) geologic unit in the western United States.Hannold Hill Formation at Fossilworks.org It preserves the fossilized remains of the ray Myliobatis and gar.

Fossil content The following fossils have been reported from the formation: Glires Paramys excavatus Pantodonta Caenolambda jepseniLucas, 1998 Coryphodon armatus Coryphodon sp.Wilson, 1967 Perissodactyla Hyracotherium vasacciense Minippus indexAlroy, 2002 Placentalia Hyopsodus cf. wortmani Hyopsodus sp. Phenacodus sp. Primates Phenacolemurinae indet.

Wasatchian correlations + Wasatchian correlations in North America Formation DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby Kamloops Ootsa Lake Margaret Nanjemoy Hatchetigbee Tetas de Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA)Bumbanian (ALMA) • Mangaorapan (NZ) Basin Powder RiverUintaPiceanceColorado PlateauWind RiverGreen RiverBighorn Piceance Colorado Plateau Wind River Green River Bighorn Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan Copelemur Coryphodon Diacodexis Homogalax Oxyaena Paramys Primates Birds Reptiles Fish Insects Flora Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial Volcanic Yes No Yes No Yes No Yes No Yes No

References

Bibliography

Hunt, ReBecca K., Vincent L. Santucci and Jason Kenworthy. 2006. "A preliminary inventory of fossil fish from National Park Service units." in S.G. Lucas, J.A. Spielmann, P.M. Hester, J.P. Kenworthy, and V.L. Santucci (ed.s), Fossils from Federal Lands. New Mexico Museum of Natural History and Science Bulletin 34, pp. 63–69

J. A. Schiebout and Et al. 1987. Stratigraphy of the Cretaceous-Tertiary and Paleocene-Eocene Transition Rocks of Big Bend National Park, Texas . Journal of Geology 95 J. A. Wilson. 1967. Early Tertiary mammals. In R. A. Maxwell, J. T. Lonsdale, R. T. Hazzard, & J. A. Wilson (eds.), Geology of Big Bend National Park, Brewster County, Texas. The University of Texas Publication 6711:157-169