Level Z-14, Reno Draw section 3 (Jurassic of the United States)

Where: Mineral County, Nevada (38.5° N, 118.1° W: paleocoordinates 19.5° N, 56.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Psiloceras polymorphum ammonoid zone, Ferguson Hill Member (Sunrise Formation), Planorbis (201.3 - 196.5 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 188600: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Psiloceratidae
"Psiloceras polymorphum" = Psiloceras polymorphum, "Caloceras crassicostatum n. sp." = Psiloceras polymorphum, Transipsiloceras transiens n. sp.
"Psiloceras polymorphum" = Psiloceras polymorphum Guex 1980 ammonite
"Caloceras crassicostatum n. sp." = Psiloceras polymorphum Guex 1980 ammonite
Transipsiloceras transiens n. sp. Guex 1980 ammonite
 Ammonitida - Schlotheimiidae
Waehneroceras tenerum Neumayr 1879 ammonite
 Phylloceratida - Juraphyllitidae
Nevadaphyllites compressus n. sp. Guex 1980 ammonite