Eagle Formation VB9615: Early/Lower Campanian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Retinovena fluvialis n. gen., n. sp. leaf
2 specimens
Montania glandulosa n. gen., n. sp. leaf
46 specimens
Ascarinites communis n. gen., n. sp. leaf
3 specimens
Semiungula assymetrica n. gen., n. sp. leaf
2 specimens
Weediaphyllum parkensis n. gen., n. sp. leaf
6 specimens
Anceptophyllum pulcrum n. gen., n. sp. leaf
11 specimens
Avernalia solida n. gen., n. sp. leaf
4 specimens
Sokophyllum dentatum n. gen., n. sp. leaf
19 specimens
Pinopsida - Pinales - Taxaceae
Protophyllocladus subintegrifolius leaf (Lesquereux 1868)
2 specimens
unclassified
Gymnospermae indet. leaf
1 specimen
replaced by Pinophyta
EA 76
Coniferae
Coniferae informal indet. leaf de Jussieu
2 specimens
synonym of Pinophyta
Angiospermae - Fagales - Nothofagaceae
Dryophyllum polymorphum n. sp. leaf
33 specimens
Angiospermae
Dicotyledonae informal sp. 4 leaf ()
5 specimens
corrected as Dicotyledoneae
Dicotyledonae informal sp. 5 leaf ()
3 specimens
corrected as Dicotyledoneae
Angiospermae - Hamamelidales
Hamamelidales informal sp. 1 leaf
17 specimens
Hamamelidales informal sp. 2 leaf
1 specimen
Angiospermae - Saxifragales
Saxifragales indet. leaf Berchtold and Presl 1820
1 specimen
Angiospermae - Proteales - Platanaceae
Platanus primaeva leaf Lesquereux 1874
1 specimen
synonym of Platanus latior
Angiospermae - Laurales
Crassidenticulum aquilae n. sp. leaf
7 specimens
Angiospermae - Laurales - Lauraceae
Lauraceae informal sp. 2 leaf Jussieu 1789
1 specimen
"Persea" hayana leaf Lesquereux 1891
29 specimens
"Cinnamomum" hesperium leaf Knowlton 1917
8 specimens
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.4° North, 108.1° West (view map)
Paleocoordinates:52.0° North, 76.5° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Period:Late/Upper Cretaceous - Late/Upper Cretaceous
*International age/stage:Early/Lower Campanian - Early/Lower Campanian
Key time interval:Early/Lower Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Eagle Member:lettered sands
Stratigraphic resolution:bed
Stratigraphy comments: 21.5 meters below the base of the "Big Bentonite" overlying the Eagle Formation
Lithology and environment
Primary lithology:"cross stratification",planar lamination lithified sandy mudstone
Includes fossils?Y
Lithology description: tan/orange, sandy mudstone carbonate cemented (siderite); flat parallel laminations, small ripple laminations upward
Environment:levee
Taphonomy
Modes of preservation:mold/impression,adpression
Size of fossils:macrofossils
Preservation of anatomical detail:good
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:all microfossils,some macrofossils
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:27369
Authorizer:B. Tiffney Enterer:S. Pendleton
Modifier:S. Pendleton Research group:paleobotany
Created:2002-12-04 09:43:16 Last modified:2017-05-23 16:34:15
Access level:database members Released:2002-12-04 09:43:16
Creative Commons license:CC BY
Reference information

Primary reference:
7503. 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]