New York Canyon, near section 4, 2 m below smooth Psiloceras (Triassic of the United States)

Where: Mineral County, Nevada (38.5° N, 118.1° W: paleocoordinates 18.1° N, 55.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Musée de Géologie de Lausanne

Primary reference: J. Guex. 1995. Ammonites hettangiennes de la Gabbs Valley Range (Nevada, USA). Mémoires de Géologie (Lausanne) 27:1-131 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188603: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Phylloceratida - Ussuritidae
Eopsiloceras planorboides Guembel 1861 ammonite