Butte Creek: Coniacian - Santonian, Kansas
collected by O. C. Marsh 1872

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Toxochelyidae
Cynocercus incisus n. gen., n. sp. Cope 1872
Cope 1872
Collection: Sergeant Wm. Gardner
Reptilia
Ichthyornis celer n. sp. Marsh 1873
1 specimen
recombined as Apatornis celer
YPM 1451
see common names

Geography
Country:United States State/province:Kansas County:Logan
Coordinates: 38.8° North, 100.9° West (view map)
Paleocoordinates:41.4° North, 67.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
10 m.y. bin:Cretaceous 6
Key time interval:Coniacian - Santonian
Age range of interval:89.80000 - 83.60000 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara
Stratigraphic resolution:bed
Stratigraphy comments: "Upper Cretaceous, Niobrara" according to Shufeldt 1915 (age assignment based on age of other Niobrara collections)
Lithology and environment
Primary lithology:yellow chalk
Includes fossils?Y
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Disassociated major elements:all
Temporal resolution:snapshot
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:YPM
Collectors:O. C. Marsh Collection dates:1872
Metadata
Database number:85294
Authorizer:J. Alroy, E. Vlachos Enterer:J. Alroy, E. Vlachos
Modifier:M. Carrano Research group:vertebrate
Created:2008-12-10 19:24:15 Last modified:2011-06-15 17:28:33
Access level:the public Released:2008-12-10 19:24:15
Creative Commons license:CC BY
Reference information

Primary reference:
28744. O. C. Marsh. 1873. Notice of a new Species of Ichthyornis . American Journal of Science and Arts 5(1):74 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

64402 E. D. Cope. 1872. On a new Testudinate from the Chalk of Kansas. Proceedings of the American Philosophical Society 308-310 [E. Vlachos/E. Vlachos]