¼ to ⅛ mile east-northeast of the railroad cut, 2.5 miles southwest of Marion (Ordovician of the United States)

Where: Pennsylvannia (39.8° N, 77.7° W: paleocoordinates 30.6° S, 62.7° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Phragmodus polonicus conodont zone, Maclurites Bed Member (Row Park Limestone Formation), Whiterockian (471.8 - 457.5 Ma)

• Maclurites bed is at the base of the formation.

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186179: authorized by Pete Wagner, entered by Pete Wagner on 16.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Triplesiidae
Onychoplecia obesa n. sp. Cooper 1956