North of Jackson, Madison County (Eocene of the United States)

Where: Tennessee (35.7° N, 88.8° W: paleocoordinates 36.4° N, 79.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cockfield Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

• Berry placed the flora in the Wilcox Formation, but more recent work assigns the clay pits to the middle Eocene Cockfield Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: pond; lithified claystone

• Oxbow lake

Size class: macrofossils

Preservation: adpression

Collected by E.W. Berry; reposited in the USNM

Primary reference: H. F. Wickham. 1929. Coleoptera from the lower Eocene (Wilcox) clays. Journal of the Washington Academy of Sciences 19:148-150 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151872: authorized by Matthew Clapham, entered by Matthew Clapham on 13.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Elateridae
Elater berryi n. sp. Wickham 1929 click beetle
USNM 80474 (Berry 35)
 Coleoptera - Scarabaeidae
Melolonthites collinsi Wickham 1929 scarab beetle
USNM 80476