Where: Columbia County, New York (42.3° N, 73.7° W: paleocoordinates 35.8° S, 91.8° W)

• outcrop-level geographic resolution

When: West Castleton Formation, Caerfai (530.0 - 513.0 Ma)

• Stratigraphically overlies the Elliptocephala asaphoides fauna.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

Collection methods: Collected by Bird and Rasetti

Primary reference: F. Rasetti and G. Theokritoff. 1967. Lower Cambrian agnostid trilobites of North America. Journal of Paleontology 41(1):189-196 [M. Patzkowsky/P. Borkow/L. Na]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8236: authorized by Mark Patzkowsky, entered by Phil Borkow on 30.06.2000, edited by Austin Hendy

Creative Commons license: CC BY (attribution)