Logan County Dolichorhynchops dolichopus locality (PROXY): Late/Upper Coniacian - Santonian, Kansas
collected by H. A. Brous & B. F. Mudge 1875

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Plesiosauria - Polycotylidae
Polycotylus dolichopus n. sp. Williston 1906
1 specimen
synonym of Polycotylus latipinnis
YPM 1646 (holotype)
see common names

Geography
Country:United States State/province:Kansas County:Logan County
Coordinates: 39.0° North, 101.2° West (view map)
Paleocoordinates:42.0° North, 67.4° West
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
10 m.y. bin:Cretaceous 6
Key time interval:Late/Upper Coniacian - Santonian
Age range of interval:89.80000 - 83.60000 m.y. ago
Stratigraphy
Geological group:Colorado Formation:Niobrara Member:Smoky Hill Chalk
Stratigraphic resolution:bed
Stratigraphy comments: Niobrara Chalk. Member unknown, but most probably Smoky Hill Chalk
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:taxonomic analysis
Museum repositories:YPM
Collectors:H. A. Brous & B. F. Mudge Collection dates:1875
Metadata
Database number:118879
Authorizer:R. Benson Enterer:R. Benson
Modifier:P. Mannion Research group:vertebrate
Created:2011-10-17 20:15:00 Last modified:2023-08-02 07:40:59
Access level:the public Released:2011-10-17 20:15:00
Creative Commons license:CC BY
Reference information

Primary reference:
38181. G. W. Storrs. 1999. An examination of Plesiosauria (Diapsida: Sauropterygia) from the Niobrara Chalk (Upper Cretaceous) of Central North America. Paleontological Contributions of the University of Kansas 11:1-15 [R. Benson/R. Benson]