Where: Mineral County, Nevada (38.5° N, 118.1° W: paleocoordinates 25.0° N, 54.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Freboldi ammonoid zone, Joker Peak Member (Sunrise Formation), Early/Lower Pliensbachian (189.6 - 183.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: deep-water; lithified, carbonaceous siltstone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: surface (in situ)
• University of Montana Paleontology Center (UMPC) collection
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 207919: authorized by József Pálfy, entered by Dorina Juhász on 03.03.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Dubariceras freboldi Dommergues et al. 1984 ammonite |