Where: Vermont (44.2° N, 73.2° W: paleocoordinates 28.6° S, 55.0° W)

• coordinate estimated from map

When: Valcour Formation, Chazyan (470.0 - 457.3 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: R. H. Flower. 1957. The Ordovician Development of the Actinoceratida, with notes on Actinoceroid Morphology and Ordovician Stratigraphy. State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 2:1-59 [B. Kröger/B. Kröger/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172564: authorized by Björn Kröger, entered by Björn Kröger on 11.08.2015

Creative Commons license: CC BY (attribution)