Where: Shasta County, California (40.9° N, 121.7° W)
• Paleocoordinates: 4.0° N, 48.4° W (Wright 2013)
• coordinate based on political unit
• local area-level geographic resolution
When: Bragdon and Baird Formation, Chesterian to Chesterian (335.4 - 298.9 Ma)
• "uppermost Mississippian (probably Pennsylvannian). Bragdon and Baird Fms."
• group-level stratigraphic resolution
Environment/lithology: marine; calcareous siltstone
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 589: authorized by Jack Sepkoski, entered by Mike Sommers on 21.01.1999
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
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Foraminifera | |
"Foraminiferida indet." = Foraminifera
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Crinoidea | |
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Cephalopoda | |
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Scaphopoda | |
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Bivalvia | |
Polidevcia sp. Tschernyschev 1943 clam | |
Nuculavus sp. Tschernyschev 1943 nut clam | |
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Annuliconcha sp. Newell 1938 scallop | |
Etheripecten sp. Waterhouse 1963 scallop | |
Streblopteria sp. McCoy 1851 scallop
Streblochondria sp. Newell 1938 scallop | |
Pernopecten sp. Winchell 1865 scallop | |
Parallelodon sp. Meek and Worthen 1866 clam | |
Gastropoda | |
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Euomphalus sp. Sowerby 1814 snail | |
Euconospira sp. Ulrich and Scofield 1897 snail | |
Neilsonia sp. Thomas 1940 snail | |
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Strophomenata | |
Semicostella sp. Muir-Wood and Cooper 1960
"Lissomarginifera sp." = Eomarginifera Muir-Wood 1930
Krotovia sp. Fredericks 1928 | |
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Rugosochonetes sp. Sokolskaja 1950 | |
Schuchertella sp. Girty 1904 | |
Rhynchonellata | |
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Orthotichia sp. Hall and Clarke 1892
Schizophoria sp. King 1850 | |
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Rhynchopora sp. King 1865 | |
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Crurithyris sp. George 1931 | |
Hustedia sp. Hall and Clarke 1893 | |
Cleiothyridina sp. Buckman 1906 | |
Stenolaemata | |
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Trilobita | |
Paladin sp. Weller 1936 trilobite | |
Scyphozoa | |
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Anthozoa | |
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