Trepospira association, Bragdon and Baird Fms. (Carboniferous of the United States)

Where: Shasta County, California (40.9° N, 121.7° W: paleocoordinates 5.6° N, 49.5° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Serpukhovian (330.9 - 323.2 Ma)

• "Bragdon and Baird Fms. Uppermost Miss."

• group-level stratigraphic resolution

Environment/lithology: offshore; black, silty, calcareous siltstone

• "grayish-black calcareous silty mudstone. possibly deep and/or restricted. BA2"

Size class: macrofossils

Primary reference: R. Watkins. 1973. Carboniferous Faunal Associations and Stratigraphy, Shasta County, Northern California. AAPG Bulletin 57(9):1743-1764 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 587: authorized by Jack Sepkoski, entered by Mike Sommers on 19.01.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Watkins, 1973"
Show authors, comments, and common names
Gastropoda
 Pleurotomariacea -
"Pleurotomariacea indet." = Pleurotomarioidea
"Pleurotomariacea indet." = Pleurotomarioidea Swainson 1840 snail
pleurotomariaceans
 Euomphalina -
Euomphalina indet.
Euomphalina indet. de Koninck 1881 snail
euomphalacean
 Murchisoniina -
"Subulitacea indet." = Subulitoidea
"Subulitacea indet." = Subulitoidea Lindström 1884 snail
subulitacean
 Murchisoniina - Eotomariidae
Eotomariidae indet.
Eotomariidae indet. Wenz 1938 snail
eotomariid
 Murchisoniina - Gosseletinidae
Trepospira sp.
Trepospira sp. Ulrich and Scofield 1897 snail
Bivalvia
 Cardiiformii -
"Modiomorphoida indet." = Modiomorphida
"Modiomorphoida indet." = Modiomorphida Newell 1969 clam
modiomorphacean
 Cardiida - Kalenteridae
Permophorus sp.
Permophorus sp. Chavan 1954 clam
 Pterioida -
Kabyaipecten sp.
 Ostreida - Bakevelliidae
Bakevellia sp.
Bakevellia sp. King 1848 oyster
 Arcida - Parallelodontidae
Parallelodon sp.
Parallelodon sp. Meek and Worthen 1866 clam
 Nuculoida -
"Nuculoida indet." = Nuculida
"Nuculoida indet." = Nuculida Dall 1889 clam
nucululanacean [?]
Rhynchonellata
 Rhynchonellida -
"Stenoscismatacea indet." = Stenoscismatoidea
"Stenoscismatacea indet." = Stenoscismatoidea Oehlert 1887
stenoscirmataceans [?] - originally entered as "Rhynchonellida indet."
Strophomenata
 Strophomenida - Rugosochonetidae
Rugosochonetes sp.
Rugosochonetes sp. Sokolskaja 1950
 Productida - Linoproductidae
Fluctuaria sp.
Trilobita
 Proetida - Phillipsiidae
Paladin sp.
Paladin sp. Weller 1936 trilobite