Clarke County (Eocene of the United States)

Also known as ACl-1

Where: Clarke County, Alabama (31.5° N, 87.8° W: paleocoordinates 32.1° N, 79.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moodys Branch Formation, Bartonian (41.3 - 38.0 Ma)

• Moody's Marl forms the lower Jacksonian Stage.

•Ivany - age updated to Priabonian

•Moodys Branch=Bartonian (JAS 14 October 2010)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic marl

• fossiliferous, glauconitic marl.

Size class: mesofossils

Collection methods: bulk, core, chemical, mechanical,

• tr= trace found, but no volumetric percentage made due to low specimen counts.

Primary reference: A. H. Cheetham. 1963. Late Eocene Zoogeography of the Eastern Gulf Coast Region. The Geological Society of America Memoir 91:1-113 [L. Ivany/E. Kowalski]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 7317: authorized by Linda Ivany, entered by Elizabeth Kowalski on 23.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bryozoans only
Gymnolaemata
 Cheilostomata - Smittinidae
 Cheilostomata - Adeonidae
 Cheilostomata - Orbituliporidae
 Cheilostomata - Romancheinidae
 Cheilostomata - Lunulitidae
 Cheilostomata - Steginoporellidae
 Cheilostomata - Calloporidae
 Cheilostomata - Otionellidae
 Cheilostomata - Tessaradomidae