D9. Valcour Island, Crown Point Fm. (Ordovician of the United States)

Where: Clinton County, New York (44.6° N, 73.4° W)

• Paleocoordinates: 9.9° S, 100.7° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• member-level stratigraphic resolution

Environment/lithology: marine; gray limestone

• Irregularly bedded, dark-gray 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 172299: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2015

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Euomphalina - Macluritidae
Maclurites magnus Le Sueur 1818 snail
 Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847 snail
 Bellerophontida - Plectonotidae
"Bucania bidorsata" = Tetranota bidorsata
"Bucania bidorsata" = Tetranota bidorsata Hall 1847 snail
 Bellerophontida - Bucaniidae
Bucania sulcatina Emmons 1842 snail
Strophomenata
 Strophomenida - Rafinesquinidae
Lingulata
 Lingulida - Obolidae
"Lingula belli" = Palaeoglossa belli
"Lingula belli" = Palaeoglossa belli Billings 1859
Trilobita
 Phacopida - Pliomeridae
Pliomerops canadensis Billings 1859 trilobite
 Asaphida - Asaphidae
Isotelus obtusum Raymond 1905 trilobite
 Corynexochida - Illaenidae
"Illaenus globosus" = Stenopareia globosus
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858 ostracod