Also known as B3 of Brainerd & Seely (1888) and Ruedemann (1906),=E11 of Raymond (1906), 8-19-E. of Ross (1963)
Where: New York (44.9° N, 73.5° W: paleocoordinates 27.9° S, 54.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Crown Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
• "Group B" of the Chazy Formation (Middle Chazy). This would Llandeilo on the old scales.
• formation-level stratigraphic resolution
Environment/lithology: marine; nodular limestone and dolomite
Size classes: macrofossils, mesofossils
Primary reference: R. Ruedemann. 1906. Cephalopoda of the Beekmantown and Chazy formations of the Champlain Basin. Bulletin of the New York State Museum, Paleontology 14:389-611 [P. Wagner/K. Koverman/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 42808: authorized by Pete Wagner, entered by Kimberly Koverman on 05.08.2004, edited by Björn Kröger
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
| |
Cephalopoda | |
Gonioceras brainerdi1 Flower 1957
Gonioceras chaziense Ruedemann 1906 | |
"Ruedemannoceras boycii" = Cyrtactinoceras boycii1 Whitfield 1886
Stereospyroceras clintoni1 Miller 1877 | |
Cyrtovaginoceras sp.1 Kobayashi 1934 | |
Stenolaemata | |
"Rhinidictya fenestrata" = Stictopora fenestrata2
"Rhinidictya fenestrata" = Stictopora fenestrata2 Hall 1847 | |
Nicholsonella sp.4 Ulrich 1890 | |
Batostoma chazyensis3 Ross 1963 | |
Phylloporina sp.5 Foerste 1887 | |
Strophomenata | |
"Rafinesquina champlainensis" = Macrocoelia champlainensis2
"Rafinesquina champlainensis" = Macrocoelia champlainensis2 Raymond 1902 | |
"Camerella longirostris" = Onychoplecia longirostris2
"Camerella longirostris" = Onychoplecia longirostris2 Billings 1859 | |
Rhynchonellata | |
"Camarotoechia pristina" = Rostricellula pristina2
"Camarotoechia pristina" = Rostricellula pristina2 Raymond 1905 | |
"Zygospira acutirostris" = Sphenotreta acutirostris2
"Zygospira acutirostris" = Sphenotreta acutirostris2 Hall 1847 | |
"Plaesiomys platys" = Multicostella platys2
"Plaesiomys platys" = Multicostella platys2 Billings 1859 | |
Trilobita | |
| |
"Illaenus globosus" = Stenopareia globosus2
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