Also known as Garden Park, Cañon City, Cope's Nipple, Jennings and Johnson
Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.5° N, 52.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Early/Lower Tithonian (150.8 - 145.0 Ma)
• probably high in formation, but location debated for many years; the so-called "Hallopus Beds"
•Trujillo et al. 2015: Recalibrated 40Ar/39Ar ages from the Morrison Formation suggest Brushy Basin Member is early Tithonian
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; fine-grained, ferruginous, red, argillaceous sandstone
Size class: macrofossils
Collected by J. Jennings, S. C. Robinson, D. Baldwin in 1876–1877; reposited in the YPM
Collection methods: surface (float), mechanical,
Primary reference: O. C. Marsh. 1877. Notice of some new vertebrate fossils. American Journal of Arts and Sciences 14:249-256 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 48167: authorized by Matthew Carrano, entered by Matthew Carrano on 15.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Nanosaurus victor n. sp." = Hallopus victor
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