Where: Idaho (42.3° N, 111.4° W: paleocoordinates 11.7° N, 35.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Fengshanites/Prohungarites ammonoid zone, Thaynes Formation, Spathian (251.3 - 247.2 Ma)
• Horizon H13
• bed-level stratigraphic resolution
Environment/lithology: deep-water; lithified 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 109416: authorized by Matthew Clapham, entered by Matthew Clapham on 16.05.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Kiparisovites aff. ovalis Shevyrev 1968 ceratite | |
? Metadagnoceras "sp. 1" Tozer 1965 ceratite
? Metadagnoceras aff. pulchrum Tozer 1965 ceratite | |
Paragoceras "sp. 1" Arthaber 1911 ceratite
Paragoceras aff. timorensis Spath 1934 ceratite
Fengshanites americanus Kummel 1969 ceratite | |
Subcolumbites aff. perrinismithi Arthaber 1908 ceratite |