Where: Idaho (42.1° N, 111.2° W: paleocoordinates 11.5° N, 35.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Columbites parisianus ammonoid zone, Thaynes Formation, Spathian (251.3 - 247.2 Ma)
• Horizon H4
• bed-level stratigraphic resolution
Environment/lithology: deep-water; lithified, nodular shale
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 123901: authorized by Matthew Clapham, entered by Matthew Clapham on 01.02.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Idahocolumbites cheneyi Kummel 1969 ceratite
Columbites isabellae Guex et al. 2005 ceratite |