Where: Franklin County, Idaho (42.1° N, 111.6° W: paleocoordinates 7.3° S, 81.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Bellefontia-Xenostegium trilobite zone, Garden City Formation, Gasconadian (485.4 - 477.7 Ma)
• 125-145 feet above base of formation. Zone B.
Environment/lithology: shallow subtidal; lithology not reported
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 103827: authorized by Melanie Hopkins, entered by Melanie Hopkins on 02.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Trilobita | |
? Parahystricurus "sp. B", ? Parahystricurus "sp. A", "Hystricurus paragenalatus n. sp." = Hintzecurus paragenalatus, "Hystricurus genalatus" = Genalaticurus genalatus, Politicurus sp., "Hystricurus politus n. sp." = Politicurus politus, ? Hystricurus "sp. G", ? Hystricurus "sp. H"
? Parahystricurus "sp. B" Ross 1951 trilobite
? Parahystricurus "sp. A" Ross 1951 trilobite
"Hystricurus paragenalatus n. sp." = Hintzecurus paragenalatus Ross 1951 trilobite
"Hystricurus genalatus" = Genalaticurus genalatus Ross 1951 trilobite
Politicurus sp. Adrain et al. 2003 trilobite
"Hystricurus politus n. sp." = Politicurus politus Ross 1951 trilobite
? Hystricurus "sp. G" Raymond 1913 trilobite
? Hystricurus "sp. H" Raymond 1913 trilobite | |
|
Remopleuridiella caudalimbata Ross 1951 trilobite | |
|
Bellefontia chamberlaini Clark 1935 trilobite
? Bellefontia acuminiferentis Ross 1951 trilobite
Xenostegium franklinense n. sp. Ross 1951 trilobite | |
Clelandia utahensis n. sp.
Clelandia utahensis n. sp. Ross 1951 trilobite | |