A36. South end of Valcour Island, Valcour Fm. (Ordovician of the United States)

Where: Clinton County, New York (44.6° N, 73.4° W: paleocoordinates 28.1° S, 54.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; gray limestone

• Light-gray crystalline limestone.

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172237: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Plectorthidae
"Hebertella vulgaris" = Mimella vulgaris
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia plena" = Rostricellula plena
"Camarotoechia plena" = Rostricellula plena Hall 1847
Stenolaemata
 Cryptostomata - Rhinidictyidae
"Rhinidictya fenestrata" = Stictopora fenestrata
"Rhinidictya fenestrata" = Stictopora fenestrata Hall 1847
Ostracoda
 Hollinocopida - Eurychilinidae
Eurychilina latimarginata Raymond 1905 ostracod
 Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858 ostracod
Trilobita
 Lichida - Lichidae
Amphilichas minganensis Billings 1865 trilobite