UCMP loc. B-1053, Cottonwood Range (Carboniferous of the United States)

Where: Inyo County, California (36.8° N, 117.5° W: paleocoordinates 9.0° S, 54.4° W)

• coordinate estimated from map

When: Tin Mountain Formation, Early/Lower Mississippian (358.9 - 346.7 Ma)

• Upper Tin Mountain limestone.

Environment/lithology: lithified, fine-grained, shelly/skeletal, black, gray, silty grainstone

• Limestone, medium- t o coarse-grained crinoidal ; black, weathering dark gray to black ; beds as much as 2 feet thick, low-angle cross-bedding, shaly bedding planes ; chert lenses as much as 3 feet long and 4 inches thick, prominent lenses of Spirifer coquina interbedded with limestone, fine-grained ; black, weathering black ; beds 1 to 2 feet thick ; poorly fossiliferous. Sample B-1053, 0.9 per cent insoluble residue of black silty clay and silicified fossil fragments, formed faint black scum during digestion ; texture of interlocking calcite crystals about 1 mm in diameter, with included large fossils and fossil fragments as much as 10 mm in diameter ; no apparent layering.

Size class: macrofossils

Preservation: replaced with silica

Collected by R. L. Langenheim, Jr., and J. H. Langenheim; reposited in the UCMP

Collection methods: surface (float)

Primary reference: R. L. Langenheim, Jr. and H. Tischler. 1960. Mississippian and Devonian paleontology and stratigraphy, Quartz Spring area Inyo County, California. University of California Publications in Geological Sciences 38(2):89-152 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 226801: authorized by Jonathan Marcot, entered by Jonathan Marcot on 28.07.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Auloporida - Syringoporidae
Syringopora sp.
Syringopora sp. Goldfuss 1826 tabulate coral
 Stauriida - Uraliniidae
Enygmophyllum californiense
Enygmophyllum californiense Langenheim and Tischler 1960 horn coral
 Stauriida - Bothrophyllidae
Caninophyllum incrassatum
Caninophyllum incrassatum Easton and Gutschick 1953 horn coral
 Stauriida - Aulophyllidae
Rylstonia columnirotata
Rylstonia columnirotata Langenheim and Tischler 1960 horn coral
Rhynchonellata
 Spiriferida - Choristitidae
Choristites cf. glennfoxi