USGS M1027 - 2 kilometers southeast of Parker Ranch, east fork of Scott River (Silurian of the United States)
Where: Siskiyou County, California (41.4° N, 122.1° W: paleocoordinates 7.2° S, 66.4° W)
• outcrop-level geographic resolution
When: Gazelle Formation, Ludfordian (425.6 - 423.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Preservation: original silica
Primary reference: R. D. Hoare. 2000. Silurian Polyplacophora and Rostroconchia (Mollusca) from Northern California. Proceedings of the California Academy of Sciences 52(3):23-31 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 157204: authorized by Pete Wagner, entered by Pete Wagner on 07.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Polyplacophora | |
Thairoplax merriami n. sp.
Thairoplax merriami n. sp. Hoare 2000 chiton | |
Paleochiton siskiyouensis n. sp.
Paleochiton siskiyouensis n. sp. Hoare 2000 chiton | |
| Rostroconchia | |
Eusphairica distubula n. gen. n. sp.
Eusphairica distubula n. gen. n. sp. Hoare 2000 | |