160 m. Lawson Cove Section (Cambrian of the United States)

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

• relatively shallow-water with moderate- to low-energy conditions slightly above to slightly below fair-weather wave base

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
 Acrotretida - Acrotretidae
 Lingulida - Zhanatellidae
 Lingulida - Obolidae
 Siphonotretida - Siphonotretidae
Schizambon typicalis Walcott 1884
Trilobita
 Asaphida - Nileidae
Symphysurina spicata Ulrich in Walcott 1925 trilobite
"Symphysurina brevispicata" = Symphysurina walcotti Kindle 1929 trilobite
 Olenida - Olenidae
Highgatella cordilleri Lochman 1964 trilobite
 Proetida - Hystricuridae
Hystricurus "n. sp. 1" Raymond 1913 trilobite
Hystricurus "n. sp. 2" Raymond 1913 trilobite
"Hystricurus millardensis" = Millardicurus millardensis Hintze 1953 trilobite
Artiopoda
 Agnostida - Metagnostidae