Loc. 111. Top of sandstone, Marble River, 1.6 km south of Chateaugay (Cambrian of the United States)

Where: Franklin County, New York (44.9° N, 74.1° W: paleocoordinates 31.1° S, 73.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Keeseville Formation (Potsdam Group), Trempealeauan (492.5 - 485.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: macrofossils

Reposited in the USNM

Primary reference: C. D. Walcott. 1912. Cambrian geology and paleontology. II. New York Potsdam Hoyt fauna. Smithsonian Miscellaneous Collections 57(9):263-289 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74547: authorized by Pete Wagner, entered by Pete Wagner on 11.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
Hyolithellus papillatus n. sp. Walcott 1912
Trilobita
 Ptychopariida - Ptychopariidae