Where: Utah (39.4° N, 113.7° W: paleocoordinates 10.0° N, 38.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Thaynes Formation, Smithian (251.3 - 247.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified limestone

Size class: macrofossils

Preservation: cast

Collection methods: Repository: CNRS Biogéosciences, Université de Bourgogne (UBGD), Palaeontological Institute and Museum at the University of Zürich (PIMUZ)

Primary reference: A. Brayard, K. G. Bylund, J. F. Jenks, D. A. Stephen, N. Olivier, G. Escarguel, E. Fara and E. Vennin. 2013. Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeography. Swiss Journal of Palaeontology 132:141-219 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156014: authorized by Matthew Clapham, entered by Matthew Clapham on 07.05.2014

Creative Commons license: CC BY (attribution)