Station V101. Valcour Island, Crown Point 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: Crown Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; limestone and claystone

• impure limestone containing much clay

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 172308: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Lichidae
Amphilichas minganensis Billings 1865 trilobite
 Corynexochida - Illaenidae
Thaleops ovata Conrad 1843 trilobite
 Phacopida - Pliomeridae
Pliomerops canadensis Billings 1859 trilobite
Gastropoda
 Murchisoniina - Straparollinidae
"Trochonema hudsoni" = Straparollina hudsoni
"Trochonema hudsoni" = Straparollina hudsoni Raymond 1905 snail
 Murchisoniina - Trochonematidae
Trochonema dispar Raymond 1905 snail
Stenolaemata
  - Phylloporinidae
Strophomenata
 Strophomenida - Rafinesquinidae
"Rafinesquina champlainensis" = Macrocoelia champlainensis, Rafinesquina alternata
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902
 Billingsellida - Clitambonitidae
"Clitambonites multicosta" = Atelelasma multicosta
"Clitambonites multicosta" = Atelelasma multicosta Hudson 1905
Rhynchonellata
 Orthida - Plaesiomyidae
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859
 Orthida - Plectorthidae
"Hebertella borealis" = Mimella borealis
"Hebertella borealis" = Mimella borealis Billings 1859