Westgate North Section, Horizon 16: Late Pliensbachian, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Hildoceratidae
Lioceratoides (Pacificeras) propinquum (Whiteaves 1884)
Protogrammoceras (Protogrammoceras) kurrianum (Oppel 1862)
see common names

Geography
Country:United States State/province:Nevada County:Churchill
Coordinates: 39.3° North, 118.1° West (view map)
Paleocoordinates:25.8° North, 54.7° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Early Jurassic
Stage: Pliensbachian 10 m.y. bin: Jurassic 2
Key time interval: Late Pliensbachian Ammonoid zone:  Carlottense
Age range of interval: 192.9 - 184.2 m.y. ago
Stratigraphy
Formation:Sunrise Member:Joker Peak
Local section:Westgate North Section Local bed:16
Local order:bottom to top
Lithology and environment
Primary lithology: lithified calcareous sandstone
Includes fossils?Y
Lithology description: fine- to medium-grained calcareous sandstone with phosphate nodules
Environment:deep-water indet. Tectonic setting:back-arc basin
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float)
Reason for describing collection:taxonomic analysis
Collection method comments: University of Montana Paleontology Center (UMPC) collection
Metadata
Database number:207969
Authorizer:J. Pálfy Enterer:D. Juhász
Research group:marine invertebrate
Created:2020-03-09 08:12:23 Last modified:2020-03-09 08:12:23
Access level:group members Released:2022-03-09 08:12:23
Creative Commons license:CC BY
Reference information

Primary reference:
67855. A. H. Caruthers, P. L. Smith, D. Gröcke, B. C. Gill, T. R. Them and J. P. Trabucho-Alexandre. 2018. Pliensbachian–Toarcian (Early Jurassic) Ammonoids from the Luning Embayment, West-Central Nevada, U.S.A. Bulletins of American Paleontology 393:1-84 [J. Pálfy/Z. Kostka]