Isle La Motte, Lake Champlain, Crown Point Formation (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: Crown Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lime mudstone
Size classes: macrofossils, mesofossils
Primary reference: P. E. Raymond. 1911. The Brachiopoda and Ostracoda of the Chazyan. Annals of the Carnegie Museum 7:215-259 [P. Wagner/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 172203: authorized by Björn Kröger, entered by Björn Kröger on 30.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Rhynchonellata | |
"Zygospira acutirostris" = Sphenotreta acutirostris
"Zygospira acutirostris" = Sphenotreta acutirostris Hall 1847 |