Also known as Triceratops brevicornus type, Hatcher Sk. 22
Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.7° N, 79.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• "Laramie" = Lance Fm.; near top of formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, concretionary sandstone
Size class: macrofossils
Preservation: concretion
Collected by J. B. Hatcher, T. A. Bostwick, W. H. Utterback, & A. L. Sullins in 1891; reposited in the YPM
Collection methods: quarrying, surface (in situ), mechanical,
• Collected by J. B. Hatcher, Thomas A. Bostwick, W. H. Utterback, & A. L. Sullins, 1891
Primary reference: J. B. Hatcher and R. S. Lull. 1905. Two new Ceratopsia from the Laramie of Converse County, Wyoming. The American Journal of Science, series 4 20(120):413-419 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46132: authorized by Matthew Carrano, entered by Matthew Carrano on 04.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Triceratops brevicornus n. sp." = Triceratops horridus
"Triceratops brevicornus n. sp." = Triceratops horridus Marsh 1889 ceratopsid YPM 1834 (= Sk. 22) [now = BSP 1964 I 458]
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