Eagle Formation VB9605 (Cretaceous of the United States)

Where: Park County, Wyoming (44.6° N, 108.5° W: paleocoordinates 52.0° N, 76.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: lettered sands Member (Eagle Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• 51.5 meters below the base of the "Big Bentonite" overlying the Eagle Formation

• bed-level stratigraphic resolution

Environment/lithology: pond; lithified, gray claystone and lithified mudstone

• claystone to clayey mudstone; tan to gray

Size class: macrofossils

Preservation: mold/impression, adpression

Collection methods: quarrying,

Primary reference: M. C. Van Boskirk. 1998. The flora of the Eagle Formation and its significance for Late Cretaceous floristic evolution. Yale University 1-382 [B. Tiffney/S. Pendleton/S. Pendleton]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27316: authorized by Bruce Tiffney, entered by Sara Pendleton on 01.12.2002, edited by Bruce Tiffney

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Retinovena fluvialis n. gen. n. sp., Lesterwardia palustris n. gen. n. sp., Ascarinites communis n. gen. n. sp.
Retinovena fluvialis n. gen. n. sp.
Lesterwardia palustris n. gen. n. sp.
Ascarinites communis n. gen. n. sp.
Equisetopsida
 Pinidae - Pinidae
Magnoliopsida
  -
Quereuxia angulata Newberry 1953
Angiospermae
 Mesangiosperms - Araceae
Pistia corrugata Lesquereux 1874 water cabbage
Polypodiopsida
 Schizaeales - Polypodiidae
Anemia fremonti Knowlton 1917
 Polypodiales - Polypodiidae
"Saccoloma" gardneri Lesquereux 1873
  - Blechnaceae
"Woodwardia" crenata Knowlton 1900
 Equisetales - Equisetidae
Equisetum "sp. 2" Linnaeus 1753 horsetail
  - Gleicheniaceae