Where: Mineral County, Nevada (38.5° N, 118.1° W)
• Paleocoordinates: 15.2° N, 45.3° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Sunrisites sunrisense ammonoid zone, Ferguson Hill Member (Sunrise Formation), Angulata (201.4 - 199.5 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 188651: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Cephalopoda | |
Alsatites nigromontanus Guembel 1884 ammonite |