Poleta Folds (Cambrian of the United States)

Where: California (37.3° N, 118.1° W: paleocoordinates 0.8° N, 97.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bonnia- Olenellus zone, Middle Member (Poleta Formation), Botomian (516.0 - 512.9 Ma)

• upper sandstone sub-unit of the middle member

Environment/lithology: shallow subtidal; sandstone and sandy siltstone

• The sandstone sub-unit of the middle member is dominated by laminated, thinly bedded, low-angle cross-laminated and mottled bedding. Horizons consist of thin- to thick-bedded very fine- to medium-grained quartz arenite, with minor amounts of sandy siltstone and sandy limestone.

Size class: mesofossils

Preservation: trace

Primary reference: J. W. Hagadorn, S. A. Schellenberg, and S. A. Bottjer. 2000. Paleoecology of a large Early Cambrian bioturbator. Lethaia (33)142-156 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153090: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 06.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Ichnofossils -
Taphrhelminthopsis nelsoni
Taphrhelminthopsis nelsoni Hagadorn et al. 2000