Where: California (36.5° N, 116.8° W: paleocoordinates 1.5° S, 96.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Olenellus trilobite zone, Eagle Mountain Shale Member (Carrara Formation), Dyeran (515.3 - 511.2 Ma)
• In the Titanothere Canyon and Echo Canyon sections, green micaceous siltstones in the basal few meters of the member have yielded two olenellid species, Olenellus arcuatus n. sp. and O. cylindricus n. sp., which characterize
•the O. arcuatus Zonule [...]
• member-level stratigraphic resolution
Environment/lithology: coastal; micaceous, green siltstone and limestone
Size classes: macrofossils, mesofossils, microfossils
Reposited in the USGS
Primary reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131 [W. Kiessling/M. Krause/J. Ju]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 230439: authorized by Jonathan Marcot, entered by Jonathan Marcot on 20.06.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Olenellus clarki Resser 1928 trilobite
Olenellus gilberti White 1874 trilobite
Peachella iddingsi Walcott 1884 trilobite | |
Bristolia fragilis Palmer and Halley 1979 trilobite
Bristolia anteros Palmer and Halley 1979 trilobite |