Middle Fork Satsop River, Eocene (Eocene to of the United States)

Also known as UWBM C0779; NMMNH 9523

Where: Mason County, Washington (47.3° N, 123.5° W: paleocoordinates 47.2° N, 112.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lincoln Creek Formation, Priabonian to Priabonian (38.0 - 28.1 Ma)

• latest Eocene or earliest Oligocene

Environment/lithology: deep-water; mudstone

• methane seep carbonate deposit, whale fall
• mud and siltstone

Size class: macrofossils

Preservation: trace

Primary reference: S. Kiel. 2008. Fossil evidence for micro- and macrofaunal utilization of large nekton-falls: Examples from early Cenozoic deep-water sediments in Washington State, USA. Palaeogeography, Palaeoclimatology, Palaeoecology 267:161-174 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 199540: authorized by Mark Uhen, entered by Mark Uhen on 29.01.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Placentalia -
Cetacea indet.
Cetacea indet. Brisson 1762 whale
"Satsop Whale", UWBM 87312
Chondrichthyes
 Squaliformes - Somniosidae
Rhinoscymnus viridadamas n. sp.
Rhinoscymnus viridadamas n. sp. sleeper shark
Gastropoda
 Sorbeoconcha - Naticidae
Naticidae indet.
Naticidae indet. Guilding 1834 moon snail
 Neogastropoda - Buccinidae
Colus sekiuensis
Colus sekiuensis Kiel and Goedert 2007 true whelk
Bivalvia
 Mytilida - Mytilidae
Mytilidae indet.
Mytilidae indet. Rafinesque 1815 mussel