PBDB Collection

Eagle Formation VB9616 (Cretaceous of the United States)

Where: Park County, Wyoming (44.5° N, 108.1° 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)

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

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; lithified, gray, sandy mudstone

• gary to light orange/tan, sandy mudstone; flat laminations, some ripple laminations

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 27370: authorized by Bruce Tiffney, entered by Sara Pendleton on 04.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Retinovena fluvialis n. gen. n. sp., Montania glandulosa n. gen. n. sp., Ascarinites communis n. gen. n. sp., Semiungula assymetrica n. gen. n. sp., Weediaphyllum parkensis n. gen. n. sp., Avernalia solida n. gen. n. sp., Powellia oblongata n. gen. n. sp., Sokophyllum dentatum n. gen. n. sp. Retinovena fluvialis n. gen. n. sp. Montania glandulosa n. gen. n. sp. Ascarinites communis n. gen. n. sp. Semiungula assymetrica n. gen. n. sp. Weediaphyllum parkensis n. gen. n. sp. Avernalia solida n. gen. n. sp. Powellia oblongata n. gen. n. sp. Sokophyllum dentatum n. gen. n. sp.
Equisetopsida
Pinidae - Pinidae	Araucarites longifolia, Araucarites sp. Araucarites longifolia Araucarites sp. Presl 1833
Pinopsida
Pinales - Taxaceae	Moriconia sp., Protophyllocladus subintegrifolius Moriconia sp. Debey and Ettingshausen 1859 yew Protophyllocladus subintegrifolius Lesquereux 1868 yew
Pinales - Taxodiaceae	Taxodiaceae indet. Taxodiaceae indet. Saporta 1865

Coniferae -	"Coniferae indet." = Pinophyta "Coniferae indet." = Pinophyta Reveal 1996
unclassified
-	"Gymnospermae indet." = Pinophyta "Gymnospermae indet." = Pinophyta Reveal 1996 EA 76
Angiospermae
Laurales -	Crassidenticulum aquilae n. sp. Crassidenticulum aquilae n. sp.
Laurales - Lauraceae	"Persea" hayana, "Cinnamomum" hesperium "Persea" hayana Lesquereux 1891 laurel "Cinnamomum" hesperium Knowlton 1917 cinnamon
Saxifragales - Cercidiphyllaceae	Trochodendroides sp. Trochodendroides sp. Berry 1922
Proteales - Platanaceae	"Platanus primaeva" = Platanus latior "Platanus primaeva" = Platanus latior Lesquereux 1868 plane tree
-	"Dicotyledonae "sp. 5"" = Dicotyledoneae, "Dicotyledonae "sp. 8"" = Dicotyledoneae "Dicotyledonae "sp. 5"" = Dicotyledoneae "Dicotyledonae "sp. 8"" = Dicotyledoneae
Dicotyledoneae
Hamamelidae - Hamamelidae	Hamamelidales "sp. 1", Hamamelidales "sp. 2" Hamamelidales "sp. 1" Hamamelidales "sp. 2"
Angiospermae
Fagales - Nothofagaceae	Dryophyllum polymorphum n. sp. Dryophyllum polymorphum n. sp.
Polypodiopsida
Schizaeales - Polypodiidae	Anemia fremonti Anemia fremonti Knowlton 1917
- Blechnaceae	"Woodwardia" crenata "Woodwardia" crenata Knowlton 1900
Protophyllum
-	Protophyllum sp. Protophyllum sp. Lesquereux 1874