Where: Box Elder County, Utah (41.9° N, 112.1° W: paleocoordinates 7.6° S, 79.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Trigonocerca typica trilobite zone, Garden City Formation, Blackhillsian (478.6 - 471.8 Ma)
• 208 foot interval beginning at 1135 feet above base of formation
Environment/lithology: shallow subtidal; lithified, shelly/skeletal limestone and lithified, intraclastic grainstone
Size class: macrofossils
Collected by R. J. Ross, Jr. in 1946-1947; reposited in the YPM
Primary reference: R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161 [S. Finnegan/S. Finnegan/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 103889: authorized by Melanie Hopkins, entered by Melanie Hopkins on 03.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Trigonocerca typica Ross 1951 trilobite | |
Protopliomerops sp. Kobayashi 1934 trilobite |