Where: Nevada (40.1° N, 117.5° W: paleocoordinates 10.5° N, 41.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Balatonites shoshonensis ammonoid zone, Favret Formation, Pelsonian (247.2 - 242.0 Ma)
• Favreticeras ransomei subzone
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collection methods: Repository: Geosciences Collection of the University of Bremen (GSUB)
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 213143: authorized by Matthew Clapham, entered by Matthew Clapham on 26.08.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Ptychites guloensis Tozer 1994 ceratite
Ptychites gradinarui Bucher 1992 ceratite |