Where: Shasta County, California (40.9° N, 122.3° W)
• Paleocoordinates: 2.9° N, 50.0° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Baird Formation, Late/Upper Mississippian (330.3 - 323.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shoreface; lithified siltstone
Size class: macrofossils
Reposited in the UCMP
Primary reference: R. Watkins. 1974. Carboniferous Brachiopods from Northern California. Journal of Paleontology 48(2):304-325 [N. Bonuso/P. Monarrez]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 143613: authorized by Nicole Bonuso, entered by Pedro Monarrez on 25.04.2013, edited by Jonathan Marcot
Creative Commons license: CC0 (CC0)
Taxonomic list
Foraminifera | |
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Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
unclassified | |
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Scaphopoda | |
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Bivalvia | |
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Nuculavus sp. Tschernyschev 1943 nut clam | |
Bakevellia "sp. A" King 1848 oyster | |
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Annuliconcha interlineata Meek and Worthen 1860 scallop | |
? Etheripecten "planoconvexa Watkins MS" Waterhouse 1963 scallop | |
Acanthopecten sp. Girty 1903 scallop | |
Streblopteria "californica Watkins MS" McCoy 1851 scallop
Streblochondria sp. Newell 1938 scallop | |
? Schizodus "sp. B" King 1844 clam | |
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Astartella sp. Hall 1858 clam | |
Gastropoda | |
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Euomphalus sp. Sowerby 1814 snail | |
Neilsonia sp. Thomas 1940 snail | |
Strophomenata | |
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Semicostella sp. Muir-Wood and Cooper 1960
Lissomarginifera shastensis Watkins 1974
Krotovia "sp. B" Fredericks 1928 | |
Karavankina sp. Ramovs 1966 | |
Schuchertella "sp. A" Girty 1904 | |
Rhynchonellata | |
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Rhynchopora sp. King 1865 | |
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Hustedia sp. Hall and Clarke 1893 | |
Cleiothyridina sp. Buckman 1906 | |
Stenolaemata | |
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Bryozoa | |
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Trilobita | |
Paladin bairdensis Wheeler 1937 trilobite |