New York Type Canyon Area, Section VI, Horizon 1 (Jurassic of the United States)

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: Whiteavesi ammonoid zone, New York Canyon Member (Sunrise Formation), Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, calcareous sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (float)

• 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 207924: authorized by József Pálfy, entered by Dorina Juhász on 03.03.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Eoderoceratidae
"Metaderoceras evolutum" = Metaderoceras gemmellaroi evolutum Fucini 1924 ammonite
Metaderoceras cf. talkeetnaense Thomson and Smith 1992 ammonite