LACMIP 12385, Humptulips Fm (Eocene of the United States)

Also known as UWBM B-7442

Where: Grays Harbor County, Washington (47.3° N, 123.8° W: paleocoordinates 49.4° N, 107.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Humptulips Formation, Lutetian (47.8 - 41.3 Ma)

• Narizian Stage (middle and early late Eocene). Age confirmed by Nesbitt (2018).

Environment/lithology: deep subtidal; siltstone and sandstone

• Cold-seep carbonate
• siltstone, mudstone, and sandstone

Size classes: macrofossils, mesofossils

Primary reference: J. L. Goedert and K. L. Kaler. 1996. A New Species of Abyssochrysos (Gastropoda: Loxonematoidea) from a Middle Eocene Cold-Seep Carbonate in the Humptulips Formation, Western Washington. The Veliger 39(1):65-70 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 172002: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 24.07.2015, edited by Patricia Holroyd and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda -
Decapoda indet.2 Latreille 1802 decapod
 Decapoda - Callianassidae
"Callianassa" sp. Karasawa 1998 decapod
 Decapoda - Galatheidae
Shinkaia katapsyxis n. sp.7 Schweitzer and Feldmann 2008 decapod
 Chitonida - Chitonidae
"Leptochiton (Leptochiton) alveolus" = Chiton alveolus
"Leptochiton (Leptochiton) alveolus" = Chiton alveolus Loven 1846 chiton
 Solemyida - Solemyidae
Acharax sp. Dall 1908 Awning Clam
 Cardiida - Vesicomyidae
"Calyptogena (Calyptogena) chinookensis" = Pleurophopsis chinookensis, Pliocardia cf. tschudi3, Isorropodon humptulipsense6
"Calyptogena (Calyptogena) chinookensis" = Pleurophopsis chinookensis Squires and Goedert 1991 clam
Isorropodon humptulipsense6 Kiel et al. 2023 clam
 Lucinida - Thyasiridae
Thyasira (Conchocele) folgeri Wagner and Schilling 1923 clam
 Lucinida - Lucinidae
Maorithyas humptulipsensis3 Hryniewicz et al. 2017 clam
 Mytilida - Mytilidae
"Modiolus (Modiolus) willapaensis" = Bathymodiolus willapaensis, ? Vulcanidas goederti n. sp.5
"Modiolus (Modiolus) willapaensis" = Bathymodiolus willapaensis Squires and Goedert 1991 mussel
? Vulcanidas goederti n. sp.5 Kiel and Amano 2013 mussel
 Dentaliida - Dentaliidae
Dentalium sp.2 Linnaeus 1758 tusk shell
 Heterostropha - Hyalogyrinidae
? Hyalogyrina sp.4 Marshall 1988 snail
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Trochoidea - Turbinidae
? Homalopoma sp. Carpenter 1864 snail
 Lepetellida - Fissurellidae
? Fissurellidae indet.2 Fleming 1822 snail
 Lepetellida - Pyropeltidae
Pyropelta sp.4 McLean and Haszprunar 1987 snail
 Neomphalida - Neomphalidae
"? Depressigyra statura" = Retiskenea statura1
"? Depressigyra statura" = Retiskenea statura1 Goedert and Benham 1999 snail
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835