Where: Franklin County, Idaho (42.1° N, 111.6° W: paleocoordinates 7.5° S, 80.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Protopliomerella contracta trilobite zone, Garden City Formation, Tulean (480.8 - 474.9 Ma)
• 498 feet above base of formation. Zone G(2)a. (This might be the upper bound of Ordovician 1)
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithology not reported
Size classes: macrofossils, mesofossils
Preservation: replaced with silica
Collected by R. J. Ross, Jr. in 1946-1947; reposited in the YPM
Collection methods: chemical,
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 103820: authorized by Melanie Hopkins, entered by Melanie Hopkins on 02.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
"Macropyge gladiator n. sp." = Gladiatoria gladiator, ? Licnocephala sp., Licnocephala bicornuta n. sp.
"Macropyge gladiator n. sp." = Gladiatoria gladiator Ross 1951 trilobite
? Licnocephala sp. Ross 1951 trilobite
Licnocephala bicornuta n. sp. Ross 1951 trilobite | |
Psalikilus typicum n. sp.
Psalikilus typicum n. sp. Ross 1951 trilobite | |
Aulacoparia sp. Hintze and Jaanusson 1956 trilobite reidentification of subset of specimens previously assigned to Macropyge gladiator from this collection
| |
Menoparia genalunata Ross 1951 trilobite
Scinocephalus solitecti n. sp. Ross 1951 trilobite | |
"? Platycolpus sp." = Rasettia
"? Platycolpus sp." = Rasettia Lochman 1953 trilobite |