Where: Nevada (40.1° N, 117.6° W: paleocoordinates 10.5° N, 41.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Favreticeras wallacei ammonoid zone, Favret Formation, Pelsonian (247.2 - 242.0 Ma)

• Favreticeras wallacei subzone of Balatonites shoshonensis

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by J. Jenks

Primary reference: E. A. Bischof and J. Lehmann. 2020. Ontogenetic analysis of Anisian (Middle Triassic) ptychitid ammonoids from Nevada, USA. Journal of Paleontology 94:829-851 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213150: authorized by Matthew Clapham, entered by Matthew Clapham on 26.08.2020

Creative Commons license: CC BY (attribution)