West flank of Hatch Hill. Calodiscus lobatus/Fordaspis nana fauna (Cambrian of the United States)

Where: Washington county County, New York (43.3° N, 73.4° W: paleocoordinates 33.9° S, 87.0° W)

• local area-level geographic resolution

When: Dyeran (515.3 - 511.2 Ma)

Environment/lithology: marine; lithified, gray limestone

• Taconic strata
• boulders of a medium crystalline dove-grey limestone.

Size class: macrofossils

Collection methods: The genera are not associated with the Paedeumias-Bonnia fauna.

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 8234: authorized by Mark Patzkowsky, entered by Phil Borkow on 30.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Spinagnostidae
Eoagnostus acrorhachis n. sp.
 Agnostida - Peronopsidae
Peronopsis cf. primigenea, Peronopsis evansi n. sp.