8-21-C. East of Isle La Motte village, Valcour Fm. (Ordovician of the United States)

Also known as 8-21-C. of Ross (1963)

Where: Vermont (44.9° N, 73.3° W: paleocoordinates 28.0° S, 54.6° W)

• coordinate estimated from map

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

Environment/lithology: marine; dolomite and rudstone

• Dolomitic biosparrudite

Size classes: macrofossils, mesofossils

Primary reference: J. P. Ross. 1963. The Bryozoan Trepostome Batostoma in Chazyan (Ordovician) Strata. Journal of Paleontology 37(4):857-866 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172625: authorized by Björn Kröger, entered by Björn Kröger on 13.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Trepostomata - Trematoporidae
 Trepostomida -
"Atactotoechus chazyensis" = Champlainopora chazyensis2, Jordanopora heroensis2
"Atactotoechus chazyensis" = Champlainopora chazyensis2 Ross 1962
 Cryptostomata -
 Cryptostomata - Rhinidictyidae