Where: Shasta County, California (40.9° N, 122.1° W: paleocoordinates 13.5° N, 53.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Hosselkus Formation, Tuvalian (232.0 - 221.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Reposited in the USNM
Primary reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144028: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2013, edited by Catherine Powers
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
"Rhacophyllites (Discophyllites) patens" = Discophyllites patens
"Rhacophyllites (Discophyllites) patens" = Discophyllites patens von Mojsisovics 1873 ammonite | |
|
Arcestes (Proarcestes) whitneyi Smith 1927 ceratite | |
Metasibirites pusillus n. sp., Metasibirites pygmaeus n. sp., Metasibirites brockensis n. sp., Metasibirites gracilis n. sp.
Metasibirites pusillus n. sp. Smith 1927 ceratite
Metasibirites pygmaeus n. sp. Smith 1927 ceratite
Metasibirites brockensis n. sp. Smith 1927 ceratite
Metasibirites gracilis n. sp. Smith 1927 ceratite | |
"Juvavites (Anatomites) brockensis n. sp." = Projuvavites brockensis
"Juvavites (Anatomites) brockensis n. sp." = Projuvavites brockensis Smith 1927 ceratite | |
|
Proclydonautilus spirolobus Dittmar 1866 nautiloid
Cosmonautilus hersheyi n. sp. Smith 1927 nautiloid
Cosmonautilus pacificus n. sp. Smith 1927 nautiloid | |
| Bivalvia | |
|
Myoconcha nana Smith 1927 clam | |
| Rhynchonellata | |
"Spiriferina" coreyi n. sp.
"Spiriferina" coreyi n. sp. Smith 1927 | |