A22. 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; blue limestone
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 172227: 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
Eocrinoidea | |
Bolboporites americanus Billings 1859 | |
Rhynchonellata | |
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859 | |
"Zygospira acutirostris" = Sphenotreta acutirostris
"Zygospira acutirostris" = Sphenotreta acutirostris Hall 1847 | |
Strophomenata | |
"Rafinesquina champlainensis" = Macrocoelia champlainensis, Rafinesquina alternata
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902
Rafinesquina alternata Conrad 1838 | |
"Camerella longirostris" = Onychoplecia longirostris
"Camerella longirostris" = Onychoplecia longirostris Billings 1859 | |
Bivalvia | |
Endodesma tranceps Raymond 1916 clam | |
Gastropoda | |
Maclurites magnus Le Sueur 1818 snail | |
Ostracoda | |
Eurychilina latimarginata Raymond 1905 ostracod | |
Leperditia limatula Raymond 1905 ostracod
Leperditia canadensis Jones 1858 ostracod | |
Trilobita | |
| |
"Illaenus globosus" = Stenopareia globosus
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite | |
"Pterygometopus annulatus" = Calyptaulax annulata
"Pterygometopus annulatus" = Calyptaulax annulata Raymond 1905 trilobite |