Twin Creek, Table D.60 (Cambrian of the United States)

Also known as Pagoda Fm., Twin Creek, Table D.60

Where: Montana (48.0° N, 113.3° W: paleocoordinates 5.3° S, 83.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Pagoda Shale Formation, Delamaran (511.2 - 506.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, green mudstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: quarrying, mechanical,

Primary reference: S. E. Peters. 2003. Evenness, richness and the Cambrian-Paleozoic faunal transition in North America: an assemblage-level perspective. The University of Chicago 1-279 [S. Peters/S. Peters/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 64605: authorized by Shanan Peters, entered by Shanan Peters on 10.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Alokistocaridae
? Ehmania sp. Resser 1935 trilobite
 Olenida - Asaphiscidae
? Glyphaspis sp. Poulson 1927 trilobite
Hyolitha
 Hyolithida -
Hyolithida indet. Mathew 1962
Lingulata
 Lingulida - Obolidae
Obolidae indet. King 1846