Location 1. Series of outcrops near Batesburg (Cambrian of the United States)

Also known as Upper Asbill Pond Formation, location 1

Where: South Carolina (34.0° N, 82.0° W: paleocoordinates 29.6° S, 94.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Ptychagnostus atavus trilobite zone, Upper mudstone Member (Asbill Pond Formation), Marjumian (504.5 - 497.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: slope; lithified mudstone

• "Fossiliferous mudstone is conformable above a thick sequence of shallow-water sedimentary rocks [sandstones] ... and subduction-related volcanic rocks"; assuming deepwater slope along volcanic arc system
• Mudstone overprinted by contact metamorphism

Size classes: macrofossils, mesofossils

Primary reference: S. Samson, A. R. Palmer, R. A. Robison and D. T. Secor. 1990. Biogeographical significance of Cambrian trilobites from the Carolina slate belt. Geological Society America Bulletin 102:1459-1470 [P. Novack-Gottshall/P. Hearn/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 75062: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 18.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Ptychagnostidae
Ptychagnostus sp., Tomagnostus fissus
Ptychagnostus sp. Jaekel 1909
Tomagnostus fissus Lundgren 1879
Trilobita
 Redlichiida - Agraulidae
Skreiaspis sp., Agraulos sp.
Skreiaspis sp. Ruzicka 1946 trilobite
Agraulos sp. Hawle and Corda 1847 trilobite
 Redlichiida - Paradoxididae
Paradoxides cf. polonicus, Paradoxides sp.
Paradoxides sp. Brongniart 1822 trilobite