A26. South end of Valcour Island, Crown Point Fm. (Ordovician of the United States)
Where: Clinton County, New York (44.6° N, 73.4° W: paleocoordinates 28.1° S, 54.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Crown Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; gray, blue limestone
• Blue-gray, heavy-bedded,impure limestone, containing large black silicified fossils.
Size classes: macrofossils, mesofossils
Primary reference: P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 172229: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Bivalvia | |
"Ambonychia curvata" = Ambonychiopsis curvata
"Ambonychia curvata" = Ambonychiopsis curvata Raymond 1905 clam | |
| Gastropoda | |
|
Maclurites magnus Le Sueur 1818 snail | |
|
Lophospira perangulata Hall 1847 snail | |
| Rhynchonellata | |
"Hebertella vulgaris" = Mimella vulgaris
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911 | |
| Strophomenata | |
"Rafinesquina champlainensis" = Macrocoelia champlainensis
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902 | |
| Trilobita | |
"Illaenus erastusi" = Platillaenus erastusi
"Illaenus erastusi" = Platillaenus erastusi Raymond 1905 trilobite | |
| Ostracoda | |
|
Leperditia canadensis Jones 1858 ostracod | |
|
Eurychilina latimarginata Raymond 1905 ostracod | |