Where: California (36.7° N, 118.0° W: paleocoordinates 7.5° N, 44.1° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Neopopanoceras haugi ammonoid zone, Union Wash Formation, Spathian (251.3 - 247.2 Ma)
• Horizon H22
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified limestone
Size class: macrofossils
Primary reference: J. Guex, A. Hungerbühler, J. F. Jenks, L. O'Dogherty, V. Atudorei, D. G. Taylor, H. Bucher and A. Bartolini. 2010. Spathian (Lower Triassic) ammonoids from western USA (Idaho, California, Utah and Nevada). Mémoires de Géologie (Lausanne) 49:1-82 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 109434: authorized by Matthew Clapham, entered by Matthew Clapham on 16.05.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Keyserlingites pacificus, Goricanites noblei n. gen. n. sp.
Keyserlingites pacificus Hyatt and Smith 1905 ceratite
Goricanites noblei n. gen. n. sp. Guex et al. 2005 ceratite | |
Subhungarites yatesi Hyatt and Smith 1905 ceratite | |
Inyoceras bittneri Hyatt and Smith 1905 ceratite | |
| |
Neopopanoceras haugi Hyatt and Smith 1905 ceratite |