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: Psalikilopsis cuspicaudata trilobite zone, Garden City Formation, Tulean (480.8 - 474.9 Ma)

• Middle division within "Zone G(1)" of Ross (1951) and Hintze (1951, 1952) and Hintzeia celsaora trilobite zone of Ross et al 1997

Environment/lithology: shallow subtidal; lithology not reported

Size class: macrofossils

Preservation: replaced with silica

Collected by J. M. Adrain, S. R. Westrop in the 1990s; reposited in the SUI

Collection methods: chemical,

Primary reference: J. M. Adrain, N. E. B. McAdams, and S. R. Westrop. 2009. Trilobite biostratigraphy and revised bases of the Tulean and Blackhillsian Stages of the Ibexian Series, Lower Ordovician, western United States. Memoirs of the Association of Australasian Palaeontologists 37:541-610 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 228285: authorized by Melanie Hopkins, entered by Melanie Hopkins on 25.11.2022

Creative Commons license: CC BY (attribution)