Where: Quebec, Canada (50.2° N, 63.7° W: paleocoordinates 30.2° S, 53.5° W)
• coordinate based on nearby landmark
When: Romaine Formation, Jeffersonian to Jeffersonian (485.4 - 470.3 Ma)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Preservation: 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 99217: authorized by Björn Kröger, entered by Björn Kröger on 02.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
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"Protocycloceras becki" = Protocycloceras lamarcki1 Billings 1859
Catoraphiceras sordidum1 Billings 1859 | |
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Avaoceras sp.1 Ulrich et al. 1944 | |
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Tarphyceras palinurus Billings 1861
Eurystomites ferox Billings 1861 | |
Allopiloceras canadense2, Allopiloceras coarctum2, Cassinoceras magister2, Cassinoceras cf. wortheni2
Allopiloceras canadense2 Billings 1860
Allopiloceras coarctum2 Foerste 1938
Cassinoceras magister2 Foerste 1938
Cassinoceras cf. wortheni2 Billings 1865 | |