UW 1, Cowlitz Formation (Eocene of the United States)

Where: Lewis County, Washington (46.4° N, 122.9° W: paleocoordinates 47.3° N, 109.4° W)

When: Cowlitz Formation, Bartonian (41.3 - 38.0 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• One male, with the sternum and a small part of the carapace exposed.

Collected by Marcus A. Hanna

• University of Washington

Primary reference: M. J. Rathbun. 1926. The fossil stalk-eyed Crustacea of the Pacific slope of North America. United States National Museum Bulletin 138:1-155 [C. Schweitzer/S. Yost/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 139020: authorized by Carrie Schweitzer, entered by Samantha Yost on 07.02.2013, edited by Mark Uhen and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Malacostraca
 Decapoda - Mathildellidae
Branchioplax washingtoniana
Branchioplax washingtoniana Rathbun 1916 crab
Gastropoda
 Opisthobranchia - Cylichnidae
"Cylichna costata" = Scaphander (Mirascapha) costatus1
"Cylichna costata" = Scaphander (Mirascapha) costatus1 Gabb 1864 snail
 Sorbeoconcha - Naticidae
"Amauropsis alveata" = Amaurellina moragai1, "Neverita weaveri" = Neverita (Neverita) globosa1, "Neverita secta" = Glossaulax reclusiana1, "Lunatia cowlitzensis n. sp." = Polinices (Euspira) nuciformis1
"Amauropsis alveata" = Amaurellina moragai1 Stewart 1927 moon snail
"Neverita weaveri" = Neverita (Neverita) globosa1 Gabb 1869 moon snail
"Neverita secta" = Glossaulax reclusiana1 Deshayes 1839 moon snail
"Lunatia cowlitzensis n. sp." = Polinices (Euspira) nuciformis1 Gabb 1864 moon snail
 Sorbeoconcha - Bursidae
Bursa cowlitzensis1, Bursa washingtoniana1
Bursa cowlitzensis1 frog shell
Bursa washingtoniana1 Weaver 1912 frog shell
 Sorbeoconcha - Cassidae
"Galeodea tuberculata" = Galeodea tuberculiformis1
"Galeodea tuberculata" = Galeodea tuberculiformis1 Gabb 1864 snail
 Sorbeoconcha - Strombidae
"Rimella simplex" = Rimella supraplicata1, Rimella elongata1
"Rimella simplex" = Rimella supraplicata1 Gabb 1864 true conch
Rimella elongata1 Weaver 1912 true conch
 Neogastropoda - Muricidae
Murex sopenahensis1, Murex packardi1, Urosalpinx hannibali n. sp.1
Murex sopenahensis1 Weaver 1912 murex snail
Murex packardi1 Dickerson 1915 murex snail
Urosalpinx hannibali n. sp.1 Dickerson 1915 murex snail
 Neogastropoda - Clavatulidae
Surcula washingtoniana1, "Drillia ornata n. sp." = Surcula polyappellatia1, "Turris pulchra n. sp." = Surcula evermanni1, Surcula cowlitzensis1
Surcula washingtoniana1 Weaver 1912 snail
"Drillia ornata n. sp." = Surcula polyappellatia1 Hanna 1924 snail
"Turris pulchra n. sp." = Surcula evermanni1 Hanna 1924 snail
Surcula cowlitzensis1 Weaver 1912 snail
 Neogastropoda - Conidae
Conus remondii1, Conus weaveri n. sp.1, Conus cowlitzensis1
Conus remondii1 Gabb 1864 cone shell
Conus weaveri n. sp.1 Dickerson 1915 cone shell
Conus cowlitzensis1 Weaver 1912 cone shell
 Neogastropoda - Olividae
Ancillaria bretzi1
Ancillaria bretzi1 Weaver 1912 olive snail
 Neogastropoda - Melongenidae
Hemifusus sopenahensis1
Hemifusus sopenahensis1 Weaver 1912 snail
 Neogastropoda - Fasciolariidae
"Hemifusus washingtoniana" = Perse washingtoniana1, "Nyctilochus washingtoniana" = Perse washingtoniana1, Fasciolaria buwaldana n. sp.1
"Hemifusus washingtoniana" = Perse washingtoniana1 Weaver 1912 snail
"Nyctilochus washingtoniana" = Perse washingtoniana1 Weaver 1912 snail
Fasciolaria buwaldana n. sp.1 Dickerson 1915 tulip snail
 Neogastropoda - Nassariidae
Fusus lewisensis1, Fusus washingtoniana1, Fusus willisi n. sp.1
Fusus lewisensis1 Weaver 1912 snail
Fusus washingtoniana1 Weaver 1912 snail
Fusus willisi n. sp.1 Dickerson 1915 snail
 Neogastropoda - Mitridae
Mitra washingtoniana1
Mitra washingtoniana1 Weaver 1912 mitre shell
 Neogastropoda - Ptychatractidae
Exilia dickersoni1, Exilia perkinsiana1
Exilia dickersoni1 Weaver 1912 snail
Exilia perkinsiana1 Cooper 1894 snail
 Sorbeoconcha - Ficidae
"Ficopsis cowlitzensis" = Priscoficus cowlitzensis1, "Ficus mamillatus" = Ficus mamillata1
"Ficopsis cowlitzensis" = Priscoficus cowlitzensis1 Weaver 1912 fig shell
"Ficus mamillatus" = Ficus mamillata1 Gabb 1864 fig shell
 Vanikoroidea - Eulimidae
Niso polito1
 Cerithioidea - Thiaridae
Melania fettkei1
Melania fettkei1 Weaver 1912 snail
 Cerithioidea - Turritellidae
Turritella sp.1, Turritella uvasana1
Turritella sp.1 Lamarck 1799 turret shell
as "Turritella, n. sp."
Turritella uvasana1 Conrad 1855 turret shell
 Neotaenioglossa - Trichotropidae
"Crepidula pileum" = Spirocrypta pileum1
"Crepidula pileum" = Spirocrypta pileum1 Gabb 1864 snail
 Neotaenioglossa - Calyptraeidae
"Calyptraea excentrica" = Calyptraea diegoana1
"Calyptraea excentrica" = Calyptraea diegoana1 Conrad 1855 slipper shell
Bivalvia
 Nuculida - Nuculidae
Nucula sp.1
Nucula sp.1 Lamarck 1799 nut clam
 Nuculanida - Nuculanidae
"Leda gabbi" = Nuculana (Saccella) gabbii1
"Leda gabbi" = Nuculana (Saccella) gabbii1 Conrad 1866 pointed nut clam
 Cardiida - Tellinidae
Tellina sutterensis1
Tellina sutterensis1 Dickerson 1913 tellin clam
 Cardiida - Psammobiidae
"Psammobia hornii" = Gari (Gobraeus) hornii1
"Psammobia hornii" = Gari (Gobraeus) hornii1 Gabb 1864 clam
 Cardiida - Veneridae
? Macrocallista andersoni1, Marcia quadrata1
? Macrocallista andersoni1 Dickerson 1915 venus clam
Marcia quadrata1 venus clam
 Cardiida - Ungulinidae
"Diplodonta polita" = Diplodonta (Diplodonta) polita1
"Diplodonta polita" = Diplodonta (Diplodonta) polita1 Gabb 1864 clam
 Carditida - Carditidae
"Venericardia planicosta" = Venericor planicosta1
"Venericardia planicosta" = Venericor planicosta1 Lamarck 1801 clam
as Venericardia planicosta hornii
Scaphopoda
 Gadilida - Gadilidae
Cadulus (Platyschides) gabbi2
Cadulus (Platyschides) gabbi2 Sharp and Pilsbry 1898 tusk shell
 Dentaliida - Dentaliidae
Dentalium stramineum1
Dentalium stramineum1 Gabb 1864 tusk shell
Rhynchonellata
 Terebratulida - Laqueidae
Colinella eocenica3
 Terebratulida - Cancellothyrididae
Terebratulina washingtoniana1
1Dickerson 1915; 2Emerson 1957; 3Weaver and Van Winkle Palmer 1922