Sloop Island, Lake Champlain, Chazy Group (Ordovician of the United States)

Where: Chittenden County, Vermont (44.3° N, 73.3° W: paleocoordinates 29.1° S, 56.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chazy Limestone Formation, Chazyan (468.1 - 460.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: J. Pojeta and B. Runnegar. 1976. The paleontology of rostroconch mollusks and the early history of the phylum Mollusca. United States Geological Survey Professional Paper 968:1-88 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101749: authorized by Pete Wagner, entered by Pete Wagner on 01.01.2011, edited by Björn Kröger

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Strophomenidae
"Leptaena incrassata" = Dactylogonia incrassata2
"Leptaena incrassata" = Dactylogonia incrassata2 Hall 1847
Craniata
 Craniida - Craniidae
Petrocrania prona2 Raymond 1906
Rostroconchia
 Conocardiida - Bransoniidae
"Conocardium beecheri n. sp." = Pojetaconcha beecheri
"Conocardium beecheri n. sp." = Pojetaconcha beecheri Raymond 1905
Bivalvia
 Myalinida - Ambonychiidae
"Ambonychia curvata" = Ambonychiopsis curvata1
"Ambonychia curvata" = Ambonychiopsis curvata1 Raymond 1905 clam