Also known as M. sphenocerus type
Where: Blaine County, Montana (47.8° N, 108.9° W: paleocoordinates 54.7° N, 75.1° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by C. H. Sternberg in 1876; reposited in the AMNH
Collection methods: quarrying, mechanical,
Primary reference: E. D. Cope. 1889. The horned Dinosauria of the Laramie. The American Naturalist 23(272):715-717 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46122: authorized by Matthew Carrano, entered by Matthew Carrano on 04.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Monoclonius sphenocerus n. sp.
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