Washington County, Alabama (Eocene of the United States)

Also known as AW-1

Where: Washington County, Alabama (31.1° N, 87.9° W: paleocoordinates 31.8° N, 79.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pachuta Marl Formation, Bartonian (41.3 - 38.0 Ma)

• A middle formation of the Yazoo Group.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal marl

• fossiliferous marl

Size class: mesofossils

Collection methods: bulk, core, chemical, mechanical,

• tr = trace. Indicates presence at the locality, but in insufficient numbers to calculate volume percentages.

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 7331: authorized by Linda Ivany, entered by Elizabeth Kowalski on 23.05.2000, edited by Laurie Eccles

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bryozoans only
Gymnolaemata
 Cheilostomata - Romancheinidae
 Cheilostomata - Lepraliellidae
"Holoporella fissurata" = Celleporaria, "Holoporella damicornis" = Celleporaria, Kleidionella grandis
"Holoporella fissurata" = Celleporaria
"Holoporella damicornis" = Celleporaria
 Cheilostomata - Flustridae
 Cheilostomata - Lunulitidae
 Cheilostomata - Onychocellidae
 Cheilostomata - Antroporidae
 Cheilostomata - Calloporidae
 Cheilostomata - Cribrilinidae
 Cheilostomata - Electridae
Conopeum arborescens Canu and Bassler 1920
 Cheilostomata - Quadricellariidae
Nellia tenella Lamarck 1816
 Cheilostomata - Tubucellariidae
 Cheilostomata - Bitectiporidae
 Cheilostomata - Smittinidae
 Cheilostomata - Stomachetosellidae
 Cheilostomata - Cheiloporinidae
 Cheilostomata - Schizoporellidae
 Cheilostomata - Celleporidae
"Schismopora globosa" = Celleporina
"Schismopora globosa" = Celleporina
 Cheilostomata - Escharinidae
Bivalvia
 Pectinida - Pectinoidae