Where: Millard County, Utah (38.7° N, 113.5° W: paleocoordinates 5.1° S, 88.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Cordylodus lindstromi trilobite zone, Barn Canyon Member (House Formation), Trempealeauan (492.5 - 485.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified lime mudstone and lithified, fine-grained grainstone
Size classes: macrofossils, mesofossils, microfossils
Primary reference: J. F. Miller, K. R. Evans, J. D. Loch, R. L. Ethington, J. H. Stitt, L. Holmer, and L. E. Popov. 2003. Stratigraphy of the Sauk III interval (Cambrian-Ordovician) in the Ibex area, western Millard County, Utah and central Texas. Brigham Young University Geology Studies 47:43-118 [P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 219670: authorized by Pete Wagner, entered by Pete Wagner on 15.04.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Lingulata | |
Acrotretidae "gen. and sp. indet." Schuchert 1893
Eurytreta sublata Popov 1988 | |
Wahwahlingula "Popov et al. sp." Popov et al. 2002 | |
Schizambon typicalis Walcott 1884 | |
Trilobita | |
Symphysurina eurekensis trilobite
Symphysurina spicata Ulrich in Walcott 1925 trilobite
"Symphysurina brevispicata" = Symphysurina walcotti Kindle 1929 trilobite | |
Highgatella cordilleri Lochman 1964 trilobite | |
Hystricurus "n. sp. 1", Hystricurus "n. sp. 2", "Hystricurus millardensis" = Millardicurus millardensis
Hystricurus "n. sp. 1" Raymond 1913 trilobite
Hystricurus "n. sp. 2" Raymond 1913 trilobite
"Hystricurus millardensis" = Millardicurus millardensis Hintze 1953 trilobite | |
Artiopoda | |