Where: Idaho (43.8° N, 114.2° W: paleocoordinates 5.9° S, 76.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Isograptus graptolite zone, Phi Kappa Formation, Castlemainian to Castlemainian (472.0 - 466.0 Ma)
Environment/lithology: deep subtidal; shale
Size classes: mesofossils, microfossils
Primary reference: C. Carter and M. Churkin. 1977. Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho-a graptolite zone reference section. Geological Survey Professional Paper [W. Kiessling/M. Krause]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 145326: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 31.05.2013, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
"Isograptus imitatus" = Isograptus caduceus imitatus, "Isograptus maximodivergens" = Isograptus victoriae maximodivergens
"Isograptus maximodivergens" = Isograptus victoriae maximodivergens Harris 1933 graptolite spp. maximodiuergens; rare
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