A18. South end of Valcour Island, Day 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: Day Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
Environment/lithology: marine; limestone
• Thin-bedded, fairly pure, light-gray limestone containing many 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 172226: 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 | |
Eocrinoidea | |
Bolboporites americanus Billings 1859 | |
Bivalvia | |
Ctenodonta peracuta Raymond 1905 clam | |
Rhynchonellata | |
Camerella ventricosa1 Cooper 1956 | |
"Hebertella exfoliata" = Orthambonites exfoliata
"Hebertella exfoliata" = Orthambonites exfoliata Raymond 1905 | |
Strophomenata | |
"Rafinesquina champlainensis" = Macrocoelia champlainensis
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902 | |
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847 | |
"Rafinesquina distans" = Glyptomena distans
"Rafinesquina distans" = Glyptomena distans Raymond 1906 | |
"Clitambonites multicostus" = Atelelasma multicosta
"Clitambonites multicostus" = Atelelasma multicosta Hudson 1905 | |
Stenolaemata | |
"Rhinidictya fenestrata" = Stictopora fenestrata
"Rhinidictya fenestrata" = Stictopora fenestrata Hall 1847 | |
Phylloporina incepta Hall 1847 | |
Trilobita | |
Thaleops ovata, "Illaenus globosus" = Stenopareia globosus
Thaleops ovata Conrad 1843 trilobite
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite | |
| |
| |
Isotelus harrisi Raymond 1905 trilobite
Asaphus alpha trilobite
Asaphus beta trilobite
Asaphus gamma trilobite | |
"Pterygometopus annulatus" = Calyptaulax annulata
"Pterygometopus annulatus" = Calyptaulax annulata Raymond 1905 trilobite | |
"Pseudosphaerexochus chazyensis" = Kawina chazyensis
"Pseudosphaerexochus chazyensis" = Kawina chazyensis Raymond 1905 trilobite | |
Pliomerops canadensis Billings 1859 trilobite | |
Ostracoda | |
Eurychilina latimarginata Raymond 1905 ostracod | |
Leperditia canadensis Jones 1858 ostracod |