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

Also known as 8-21-A. of Ross (1963)& Loc. 15 of Ross (1962)

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

• coordinate estimated from map

When: Valcour Formation, Chazy (466.0 - 457.5 Ma)

Environment/lithology: marine; dolomite and rudstone

• Dolomitic biosparite-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 172624: authorized by Björn Kröger, entered by Björn Kröger on 13.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Cystoporata - Constellariidae
 Cryptostomata - Rhinidictyidae
Stictopora sp.2 Hall 1847
 Cryptostomata -
  - Phylloporinidae
Phylloporina sp.2 Foerste 1887
 Trepostomata - Trematoporidae
 Trepostomida -
Jordanopora heroensis1, "Atactotoechus chazyensis" = Champlainopora chazyensis1
"Atactotoechus chazyensis" = Champlainopora chazyensis1 Ross 1962