Isle La Motte, Chazy Group (Ordovician of the United States)
Where: Vermont (44.9° N, 73.3° W: paleocoordinates 28.0° S, 54.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chazy Group, Chazyan (470.0 - 457.3 Ma)
• "Valcour and or Crown Point Formation", in Flower (1955)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size classes: macrofossils, mesofossils
Primary reference: R. H. Flower. 1955. New Chazyan orthocones. Journal of Paleontology 29(5):806-830 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 171816: authorized by Björn Kröger, entered by Björn Kröger on 21.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Lingulata | |
"Lingula columba" = Lingulella columba2
"Lingula columba" = Lingulella columba2 Raymond 1905 | |
Strophomenata | |
"Rafinesquina champlainensis" = Macrocoelia champlainensis3
"Rafinesquina champlainensis" = Macrocoelia champlainensis3 Raymond 1902 | |
Rhynchonellata | |
"Hebertella exfoliata" = Orthambonites exfoliata2
"Hebertella exfoliata" = Orthambonites exfoliata2 Raymond 1905 | |
Cephalopoda | |
Proteoceras perkinsi Ruedemann 1906 | |
Gonioceras chaziense1 Ruedemann 1906 |