Dunvegan #13 (GSC 3330) (Cretaceous of Canada)

Also known as Dunvegan Formation

Where: Alberta, Canada (53.8° N, 119.2° W: paleocoordinates 56.1° N, 73.6° W)

• coordinate based on nearby landmark

When: Dunvegan Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial-deltaic

• "The strata consist generally of an alternating series of sandstones and shales with all gradations between te two."...contains "clay ironstones concretions, large plant stems and tree trunk imprints and casts, ripple markings, worm borings....carbonaceous fragments, and coal seams...."

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Reposited in the GSC

Collection methods: bulk,

Primary reference: W. A. Bell. 1962. Upper Cretaceous floras of the Dunvegan, Bad Heart, and Milk River Formations of Western Canada. Geological Survey of Canada 94:1-76 [B. Tiffney/J. Fosdick/J. Fosdick]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 31908: authorized by Bruce Tiffney, entered by Julia Fosdick on 28.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
  - Polypodiaceae
Onychiopsis cf. psilotoides Stokes and Webb 1824