Where: Johnson County, Wyoming (44.3° N, 106.7° W: paleocoordinates 39.4° N, 51.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Morrison Formation, Kimmeridgian (157.3 - 152.1 Ma)
• 5 m above base of Morrison Fm.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; fine-grained sandstone
Size class: macrofossils
Collected by McSherry in 1985
Collection methods: quarrying, mechanical,
Primary reference: K. Carpenter and C. A. Miles. 1997. New, primitive stegosaur (Ornithischia) from the Upper Jurassic. Journal of Vertebrate Paleontology 17(3, suppl.):35A [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 55349: authorized by Matthew Carrano, entered by Matthew Carrano on 11.10.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Hesperosaurus mjosi n. gen. n. sp.
Hesperosaurus mjosi n. gen. n. sp. Carpenter et al. 2001 ornithischian HMNS 14 (= HMNH 001), "new genus and species"
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