D18. Valcour Island, Valcour 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: Valcour Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; gray limestone
• Light-gray,compact, coarse-grained limestone, in layers six to eight inches thick.
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 172304: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Strophomenata | |
"Camerella longirostris" = Onychoplecia longirostris
"Camerella longirostris" = Onychoplecia longirostris Billings 1859 | |
Rafinesquina alternata Conrad 1838 | |
Rhynchonellata | |
"Camarotoechia plena" = Rostricellula plena
"Camarotoechia plena" = Rostricellula plena Hall 1847 | |
Stenolaemata | |
Phylloporina incepta Hall 1847 | |
Bivalvia | |
"Clionychia montrealensis" = Cleionychia montrealensis
"Clionychia montrealensis" = Cleionychia montrealensis Billings 1859 clam | |
Modiolopsis fabaformis Raymond 1905 clam | |
Ostracoda | |
Leperditia canadensis Jones 1858 ostracod |