Where: Newfoundland and Labrador, Canada (51.6° N, 55.8° W: paleocoordinates 31.5° S, 48.2° W)
• coordinate based on nearby landmark
When: St. George Group, Tremadocian to Tremadocian (485.4 - 470.0 Ma)
• in Ulrich et al. 1943 stated as St. George beds
Environment/lithology: marine; limestone
Size classes: macrofossils, mesofossils
Preservation: cast, recrystallized, original aragonite, replaced with calcite
Primary reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157 [B. Kröger/B. Kröger/B. Kröger]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 98440: authorized by Björn Kröger, entered by Björn Kröger on 06.10.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Pycnoceras calciferiforme Hyatt 1894
Aphetoceras boreale Hyatt 1894 | |
Allopiloceras gracile, Cassinoceras cf. wortheni, Cassinoceras triton, "Cassinoceras cf. grande" = Expandocassinoceras grande
Cassinoceras cf. wortheni Billings 1865
Cassinoceras triton Billings 1865
"Cassinoceras cf. grande" = Expandocassinoceras grande Ulrich and Foerste 1943 | |