CAS loc. 183, Big Bend of Cowlitz River (Eocene of the United States)

Also known as UCLA loc. 2536; LACMIP loc. 6298; LACMIP loc. 22536; UWBM 232; UWBM 329

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; blue, sandy mudstone and lithified sandstone

Size classes: macrofossils, mesofossils

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

Collected by Numerous workers in 80 years or so; reposited in the CAS, LACM

• University of Washington

Primary reference: R. E. Dickerson. 1915. Fauna of the Type Tejon: Its relation to the Cowlitz Phase of the Tejon Group of Washington. Proceedings of the California Academy of Sciences 5(3):33-98 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 207129: authorized by Jonathan Marcot, entered by Jonathan Marcot on 27.12.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium stramineum
Dentalium stramineum Gabb 1864 tusk shell
 Gadilida - Gadilidae
"Cadulus pusillus" = Cadulus (Platyschides) gabbi
"Cadulus pusillus" = Cadulus (Platyschides) gabbi Sharp and Pilsbry 1898 tusk shell
Gastropoda
 Heterostropha - Pyramidellidae
Odostomia sp.
Odostomia sp. Fleming 1817 snail
as "Odostomia, n. sp."
 Trochoidea - Turbinidae
"Monodonta wattsi" = Homalopoma wattsi
"Monodonta wattsi" = Homalopoma wattsi Dickerson 1916 snail
 Neritoidea - Neritidae
"Nerita cowlitzensis n. sp." = Nerita (Theliostyla) triangulata, Neritina martini n. sp.
"Nerita cowlitzensis n. sp." = Nerita (Theliostyla) triangulata Gabb 1869 snail
Neritina martini n. sp. Dickerson 1915 snail
 Cerithioidea - Thiaridae
Melania fettkei, Melania packardi n. sp., Melania vaderensis n. sp.
Melania fettkei Weaver 1912 snail
Melania packardi n. sp. Dickerson 1915 snail
Melania vaderensis n. sp. Dickerson 1915 snail
 Cerithioidea - Turritellidae
Turritella sp., Turritella uvasana
Turritella sp. Lamarck 1799 turret shell
as "Turritella, n. sp."
Turritella uvasana Conrad 1855 turret shell
 Neotaenioglossa - Trichotropidae
"Crepidula pileum" = Spirocrypta pileum
"Crepidula pileum" = Spirocrypta pileum Gabb 1864 snail
 Neotaenioglossa - Calyptraeidae
"Calyptraea excentrica" = Calyptraea diegoana
"Calyptraea excentrica" = Calyptraea diegoana Conrad 1855 slipper shell
 Sorbeoconcha - Naticidae
"Neverita weaveri n. sp." = Neverita (Neverita) globosa, "Lunatia nuciformis" = Polinices (Euspira) nuciformis, Naticina obliqua
"Neverita weaveri n. sp." = Neverita (Neverita) globosa Gabb 1869 moon snail
"Lunatia nuciformis" = Polinices (Euspira) nuciformis Gabb 1864 moon snail
Naticina obliqua Gabb 1864 moon snail
 Sorbeoconcha - Triphoridae
Triforis washingtoniana n. sp.
Triforis washingtoniana n. sp. Dickerson 1915 snail
 Neogastropoda - Columbellidae
Amphissa eocenica, Amphissa packardi
 Neogastropoda - Nassariidae
Fusus lewisensis
Fusus lewisensis Weaver 1912 snail
 Neogastropoda - Buccinidae
Pseudoliva inornata n. sp., Cantharus perrini n. sp., "Siphonalia bicarinata n. sp." = Siphonalia (Nassicola) bicarinata
Pseudoliva inornata n. sp. Dickerson 1915 true whelk
Cantharus perrini n. sp. Dickerson 1915 true whelk
"Siphonalia bicarinata n. sp." = Siphonalia (Nassicola) bicarinata Dickerson 1915 true whelk
 Neogastropoda - Melongenidae
Hemifusus lewisiana, Hemifusus tejonensis
Hemifusus lewisiana Weaver 1912 snail
Hemifusus tejonensis Weaver 1912 snail
 Neogastropoda - Cancellariidae
"Cancellaria stantoni" = Bonellitia (Admetula) paucivaricata
"Cancellaria stantoni" = Bonellitia (Admetula) paucivaricata Gabb 1864 snail
 Neogastropoda - Mitridae
Mitra washingtoniana
Mitra washingtoniana Weaver 1912 mitre shell
 Neogastropoda - Turridae
Turris sp., Turris monolifera, Turris cf. monolifera
Turris sp. Röding 1798 turrid
as "Turris, n. sp."
Turris monolifera Cooper 1894 turrid
Turris cf. monolifera Cooper 1894 turrid
 Neogastropoda - Olividae
Olivella mathewsonii, Ancillaria bretzi
Olivella mathewsonii Gabb 1864 olive snail
Ancillaria bretzi Weaver 1912 olive snail
 Neogastropoda - Ptychatractidae
Exilia perkinsiana, Exilia dickersoni
Exilia perkinsiana Cooper 1894 snail
Exilia dickersoni Weaver 1912 snail
 Neogastropoda - Muricidae
Murex packardi n. sp., Urosalpinx hannibali
Murex packardi n. sp. Dickerson 1915 murex snail
Urosalpinx hannibali Dickerson 1915 murex snail
 Sorbeoconcha - Strombidae
"Rimella simplex" = Rimella supraplicata, Rimella elongata
"Rimella simplex" = Rimella supraplicata Gabb 1864 true conch
Rimella elongata Weaver 1912 true conch
 Sorbeoconcha - Bursidae
Bursa washingtoniana
Bursa washingtoniana Weaver 1912 frog shell
Bivalvia
 Nuculanida - Nuculanidae
"Leda gabbi" = Nuculana (Saccella) gabbii, "Leda vaderensis n. sp." = Nuculana (Saccella) gabbii
"Leda gabbi" = Nuculana (Saccella) gabbii Conrad 1866 pointed nut clam
"Leda vaderensis n. sp." = Nuculana (Saccella) gabbii Conrad 1866 pointed nut clam
 Nuculida - Nuculidae
Acila sp.
Acila sp. Adams and Adams 1858 divaricate nutclam
as "Acila, n. sp."
 Ostreida - Ostreidae
"Ostrea idriaensis" = Acutostrea idriaensis, "Ostrea fettkei" = Acutostrea idriaensis fettkei
"Ostrea idriaensis" = Acutostrea idriaensis Gabb 1869 oyster
"Ostrea fettkei" = Acutostrea idriaensis fettkei Weaver 1912 oyster
 Arcida - Glycymerididae
"Glycimeris sagittata" = Glycymerita sagittata
"Glycimeris sagittata" = Glycymerita sagittata Gabb 1864 clam
 Cardiida - Cardiidae
"Cardium brewerii" = Schedocardia brewerii
"Cardium brewerii" = Schedocardia brewerii Gabb 1864 cockle
 Cardiida - Semelidae
? Semele diaboli
? Semele diaboli Dickerson 1915 clam
 Cardiida - Tellinidae
"Tellina longa" = Tellina (Angulus) longa
"Tellina longa" = Tellina (Angulus) longa Gabb 1864 tellin clam
 Cardiida - Psammobiidae
"Psammobia sp." = Gari (Psammobia)
"Psammobia sp." = Gari (Psammobia) clam
 Cardiida - Veneridae
Marcia quadrata, "Macrocallista vaderensis n. sp." = Tivelina vaderensis, "Meretrix cf. ovalis" = Cyclinella elevata
Marcia quadrata venus clam
"Macrocallista vaderensis n. sp." = Tivelina vaderensis Dickerson 1915 venus clam
"Meretrix cf. ovalis" = Cyclinella elevata Gabb 1864 venus clam
 Cardiida - Corbiculidae
"Meretrix olequahensis" = Corbicula olequahensis
"Meretrix olequahensis" = Corbicula olequahensis Weaver 1912 clam
 Pholadida - Corbulidae
"Corbula hornii" = Caryocorbula hornii
"Corbula hornii" = Caryocorbula hornii Gabb 1864 clam
 Pholadida - Teredinidae
Teredo sp.
Teredo sp. Linnaeus 1758 clam
 Thraciida - Thraciidae
Thracia dilleri
Thracia dilleri Dall 1898 clam
 Carditida - Crassatellidae
"Crassatellites grandis" = Crassatella uvasana
"Crassatellites grandis" = Crassatella uvasana Conrad 1855 clam
 Carditida - Carditidae
"Venericardia planicosta" = Venericor planicosta
"Venericardia planicosta" = Venericor planicosta Lamarck 1801 clam
as Venericardia planicosta hornii