Spanish Fork Canyon, Thaynes Formation (Triassic of the United States)

Where: Utah (40.1° N, 111.7° W: paleocoordinates 9.9° N, 36.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified siltstone and lithified limestone

• thin bedded siltstones and silty limestones

Size class: macrofossils

Primary reference: R. J. Twitchett, J. M. Feinberg, D. D. O'Connor, W. Alvarez, and L. B. McCollum. 2005. Early Triassic Ophiuroids: their paleoecology, taphonomy and distribution. Palaios 20:213-223 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 61813: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ichnofossils - Asteriacitidae
Asteriacites lumbricalis Seilacher 1953