Also known as Rhysostrophia community
Where: California (36.9° N, 118.1° W: paleocoordinates 5.8° S, 84.8° W)
• coordinate based on political unit
When: Badger Flat Formation, Middle Ordovician (470.0 - 458.4 Ma)
• "lower to mid M. Ord. below O. decipiens!"
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithology not reported
Size class: macrofossils
Collected by Berry, Lawson and Yancey; reposited in the UCMP
Primary reference: W. B. N. Berry, D. A. Lawson, and E. S. Yancey. 1979. Species diversity patterns in some middle Ordovician communities from California-Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 26:99-116 [M. Uhen/J. Ju/J. Ju]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 425: authorized by Jack Sepkoski, entered by Mike Sommers on 08.12.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
Cystoidea | |
| |
Cephalopoda | |
Ruedemannoceras sp. Flower 1940 | |
Rossoceras sp. Flower 1964 | |
Rhynchonellata | |
Rhysostrophia occidentalis Ulrich and Cooper 1936 | |
"Orthambonites mazourkensis" = Plectorthis mazourkaensis, "Orthambonites patulus" = Plectorthis patula
"Orthambonites patulus" = Plectorthis patula Phleger 1933 | |
Trilobita | |
Miracybele sp. Whittington 1965 trilobite | |
Hexactinellida | |
Hyalostelia sp. glass sponge |