A30. 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; limestone and shale
• Impure, thin-bedded limestone with occasional thin beds of shale.
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 172232: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2015, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Strophomenata | |
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847 | |
Rafinesquina alternata, "Rafinesquina champlainensis" = Macrocoelia champlainensis
Rafinesquina alternata Conrad 1838
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902 | |
| Rhynchonellata | |
|
Camerella ventricosa1 Cooper 1956 | |
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859 | |
"Hebertella vulgaris" = Mimella vulgaris
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911 | |
| Stenolaemata | |
"Rhinidictya fenestrata" = Stictopora fenestrata
"Rhinidictya fenestrata" = Stictopora fenestrata Hall 1847 | |
| Gastropoda | |
|
Maclurites magnus Le Sueur 1818 snail | |
|
Raphistoma stamineum Hall 1847 snail | |
| Bivalvia | |
|
Ctenodonta peracuta Raymond 1905 clam | |
| Ostracoda | |
|
Eurychilina latimarginata Raymond 1905 ostracod | |
|
Leperditia limatula Raymond 1905 ostracod
Leperditia canadensis Jones 1858 ostracod | |
| Trilobita | |
Thaleops ovata, "Illaenus erastusi" = Platillaenus erastusi, "Illaenus globosus" = Stenopareia globosus
Thaleops ovata Conrad 1843 trilobite
"Illaenus erastusi" = Platillaenus erastusi Raymond 1905 trilobite
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite | |
"Pterygometopus annulatus" = Calyptaulax annulata
"Pterygometopus annulatus" = Calyptaulax annulata Raymond 1905 trilobite | |
|
| |
|
Asaphus beta trilobite
Isotelus harrisi Raymond 1905 trilobite | |
| Anthozoa | |
|
Fletcheria incerta horn coral | |
|
Stylaraea parva Lambe 1899 tabulate coral | |