Black Buttes Station: Late/Upper Maastrichtian, Wyoming
collected by F. B. Meek & H. M. Bannister, E. D. Cope 1872

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Dimyaria indet.
Reptilia - Ceratopsidae
Agathaumas sylvestris n. gen., n. sp. Cope 1872
1 individual
nomen dubium belonging to Ceratopsidae
also "Agathaumas sylvestre", AMNH 4000
Bivalvia - Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815
Angiospermae
Dicotyledoneae indet. ()
"dicotyledonous leaves"
see common names

Geography
Country:United States State/province:Wyoming County:Sweetwater
Coordinates: 41.6° North, 108.7° West (view map)
Paleocoordinates:48.9° North, 84.6° West
Basis of coordinate:stated in text
Altitude:2072 meters
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Lance
Stratigraphic resolution:bed
Stratigraphy comments: "just above a thinner or lower stratum of the Bitter Creek series of coals and overlain by two other coal seams"
Lithology and environment
Primary lithology:tabular,gray lithified argillaceous sandstone
Secondary lithology: coal
Includes fossils?Y
Lithology description: "a bed of massive sandstone", "cemeted together by sand and clay"; "a dark gray sand­ stone between two thin beds of coal"
Environment:estuary/bay
Geology comments: "coastal swamps with abundant vegetation"
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Associated major elements:all
Fragmentation:frequent
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:AMNH
Collectors:F. B. Meek & H. M. Bannister, E. D. Cope Collection dates:1872
Collection method comments: some plants found in same bed, as well as above, but not described
Metadata
Also known as:Agathaumas type
Database number:46117
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-01-03 13:51:32 Last modified:2023-08-23 10:45:19
Access level:the public Released:2005-01-03 13:51:32
Creative Commons license:CC BY
Reference information

Primary reference:
53113. E. D. Cope. 1872. On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society (separate) 1-2 [M. Carrano/M. Carrano]

Secondary references:

81841 B. H. Breithaupt. 1994. The first dinosaur discovered in Wyoming. In G. E. Nelson (ed.), Wyoming Geological Association Forty-Fourth Annual Field Conference. Wyoming Geological Association Guidebook 44:15-23 [M. Carrano/M. Carrano/M. Carrano]
61982 B. H. Breithaupt. 1997. Lance Formation. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 394-395 [M. Carrano/M. Carrano]
85707 B. H. Breithaupt. 1999. The first discoveries of dinosaurs in the American west. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:59-65 [M. Carrano/M. Carrano]
15644ETE E. D. Cope. 1872. On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society 12:481-483 [M. Carrano/M. Carrano/M. Carrano]
17555ETE E. D. Cope. 1875. Report on the vertebrate paleontology of Colorado. Annual Report of the United States Geological and Geographical Survey of the Territories 1873:427-533 [M. Carrano/M. Carrano/M. Carrano]
9274 E. D. Cope. 1889. The horned Dinosauria of the Laramie. The American Naturalist 23(272):715-717 [M. Carrano/M. Carrano/M. Carrano]
48217 J. B. Hatcher. 1896. Some localities for Laramie mammals and horned dinosaurs. The American Naturalist 3(350):112-120 [M. Carrano/M. Carrano]
12304ETE J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 [M. Carrano/M. Carrano/M. Carrano]
46330 F. H. Knowlton. 1909. The stratigraphic relations and paleontology of the "Hell Creek beds," Ceratops beds" and equivalents, and their reference to the Fort Union Formation. Proceedings of the Washington Academy of Sciences 11(3):179-238 [M. Carrano/M. Carrano]
12314ETE R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/M. Carrano]
13950ETE J. H. Ostrom. 1965. Cretaceous vertebrate faunas of Wyoming. Wyoming Geological Association Guidebook 19:35-41 [M. Carrano/K. Maguire/M. Carrano]