Shipwreck Point, LACMIP 8233 (Oligocene of the United States)

Also known as USGS 26895; UWBM B-7444

Where: Clallam County, Washington (48.3° N, 124.4° W)

• Paleocoordinates: 53.4° N, 107.4° W (Wright 2013)

When: Makah Formation, Early/Lower Oligocene (33.9 - 27.3 Ma)

Environment/lithology: deep-water; lithified limestone

• "The limestone is a cold-methane-seep deposit"
• "loc. 15911 is a one-meter-thick limestone block in the Makah Formation.... Limestone block within thin-bedded sandstone and siltstone deposits"

Size class: macrofossils

• wood fall site

Collected by Goedert, James L. in 1995; reposited in the LACM

Primary reference: S. Kiel and J. L. Goedert. 2007. New mollusks associated with biogenic substrates in Cenozoic deep−water sediments of Washington State. Acta Palaeontologica Polonica 52(1):41-52 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 205036: authorized by Mark Uhen, entered by Mark Uhen on 03.10.2019

Creative Commons license: CC0 (CC0)

Taxonomic list

Malacostraca
 Decapoda - Palaeopentachelidae
Palaeopentacheles starri n. sp.3 Schweitzer and Feldmann 2001 decapod
 Isopoda - Cirolanidae
Palaega goedertorum4 Wieder and Feldmann 1989 pill bug
Bivalvia
 Nuculanida - Nuculanidae
Nuculana posterolaevia n. sp. Kiel and Goedert 2007 pointed nut clam
 Mytilida - Mytilidae
Idas olympicus Kiel and Goedert 2007 mussel
Bathymodiolus willapaensis2 Squires and Goedert 1991 mussel
Gastropoda
 Neomphalida - Neomphalidae
"? Depressigyra statura" = Retiskenea statura1
"? Depressigyra statura" = Retiskenea statura1 Goedert and Benham 1999 snail