Where: Smith County, Mississippi (32.1° N, 89.5° W: paleocoordinates 32.5° N, 83.7° W)

• coordinate based on nearby landmark

When: Byram Formation, Oligocene (33.9 - 23.0 Ma)

• middle Oligocene

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: C. W. Cooke. 1942. Cenozoic irregular echinoids of the Eastern United States. Journal of Paleontology 16:1-62 [L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 204713: authorized by Mark Uhen, entered by Mark Uhen on 18.09.2019

Creative Commons license: CC BY (attribution)