Weeks: three thin slabs (Cambrian of the United States)

Where: Utah (39.2° N, 113.4° W: paleocoordinates 4.1° S, 89.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cedaria trilobite zone, Weeks Formation, Guzhangian (500.5 - 497.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified carbonate

Size class: macrofossils

Collected by Marcus Donovan

Collection methods: mechanical,

• four more or less com- plete individuals distributed on three thin slabs; UU is museum repository (University of Utah)

Primary reference: B. Lefebvre and R. Lerosey-Aubril. 2018. Laurentian origin of solutan echinoderms: new evidence from the Guzhangian (Cambrian Series 3) Weeks Formation of Utah, USA. Geological Magazine 155(5):1190-1204 [S. Peters/S. Peters/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189447: authorized by Shanan Peters, entered by Shanan Peters on 19.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• only focused on Solutes
 Syringocrinida -
Pahvanticystis utahensis Lefebvre and Lerosey-Aubril 2018