Where: Natchitoches County, Louisiana (31.7° N, 93.2° W: paleocoordinates 32.7° N, 84.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: G. D. Harris. 1919. Pelecypoda of the St. Maurice and Claiborne stages. Bulletins of American Paleontology 6(31):1-208 [J. Sessa/L. Eccles]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 106488: authorized by Jocelyn Sessa, entered by Laurie Eccles on 21.03.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Pycnodonta ludoviciana" = Pycnodonte
"Pycnodonta ludoviciana" = Pycnodonte oyster |