Dunvegan #23 (GSC 4193) (Cretaceous to of Canada)

Also known as Dunvegan Formation

Where: British Columbia, Canada (56.2° N, 120.1° W: paleocoordinates 58.5° N, 72.8° W)

• coordinate based on nearby landmark

When: Dunvegan Formation, Early/Lower Cenomanian to Early/Lower Cenomanian (99.6 - 93.9 Ma)

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,

• For further modifications, refer to D.R. Crabtree. 1987. Angiosperms of the Northern Rocky Mountains: Albian to Campanian (Cretaceous) megafossil floras. Annals of the Missouri Botanical Garden 74:707-747

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 32030: authorized by Bruce Tiffney, entered by Julia Fosdick on 01.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Pinopsida
 Pinales -
Widdringtonites reichii Ettingshausen 1867
 Coniferales - Cupressaceae
Metasequoia cuneata dawn redwood
 Bennettitales -
Angiospermae
 Proteales - Platanaceae
Platanus williamsi n. sp. plane tree
 Apiales - Araliaceae
 Magnoliales - Magnoliaceae
Liriodendron giganteum Lesquereux 1868 magnolia
Magnolia hollicki Berry 1909 magnolia
Filicites
  -
Filicites sp. Brongniart 1828
Polypodiopsida
  -
Ginkgoopsida
 Ginkgoales - Ginkgoaceae
Ginkgo sp. Linnaeus 1771 ginkgo
Sphenopteridae
  - Sphenopteridae
Equisetopsida
 Pinidae - Pinidae