between Lance Creek and Buck Creek: Late/Upper Maastrichtian, Wyoming
collected by J. B. Hatcher 1890

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Ceratopsidae
Triceratops sp. Marsh 1889
1 individual
USNM 5738 (= Sk. 8)
    = Triceratops horridus Marsh 1889
Ostrom and Wellnhofer 1986
see common names

Geography
Country:United States State/province:Wyoming County:Niobrara
Coordinates: 43.1° North, 104.6° West (view map)
Paleocoordinates:49.6° North, 79.4° West
Basis of coordinate:estimated from map
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:70.60000 - 66.00000 m.y. ago
Stratigraphy
Formation:Lance
Local section:Lull Lance Creek Local bed:28
Local order:top to bottom
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Associated major elements:all
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM,YPM
Collectors:J. B. Hatcher Collection dates:1890
Metadata
Also known as:Hatcher Sk. 8
Database number:52687
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-08-16 14:42:38 Last modified:2022-10-18 15:10:11
Access level:the public Released:2005-08-16 14:42:38
Creative Commons license:CC BY
Reference information

Primary reference:

14177.ETE R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

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]
55599 J. H. Ostrom and P. Wellnhofer. 1986. The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14:111-158 [M. Carrano/M. Carrano]