Also known as USGS Locs: 28521-PC, 28522-PC, 28523-PC, 28525-PC. 0.32 km north of Newton-Hohnson County line, where another road takes off to the north.
Where: Newton County, Arkansas (35.7° N, 93.3° W: paleocoordinates 12.1° S, 34.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Imo Formation, Serpukhovian (330.9 - 323.2 Ma)
• Elvirian. Appx 30 m above base of fm. JA: late Chesterian is Serpukhovian according to Mii et al. 1999 (GSA Bull 111:960-973)
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified, concretionary, black, gray, sandy grainstone and shale
Reposited in the OSU, USNM
Primary reference: R. D. Hoare, M. J., I.I.I. Heaney, and R. H. Mapes. 1989. Bivalves (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 63(5):582-603 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 5521: authorized by John Alroy, entered by Mike Sommers on 08.10.1999, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
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Bivalvia | |
Parallelodon cf. cancellosus Mather 1915 clam | |
Anthozoa | |
Lophophyllidium imoense n. sp.2
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