UCMP loc. D-5656, Mazourka Canyon, Inyo Mountains (Ordovician of the United States)

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

• "carbonate (nodular and silty ls). subtidal-lime mud (deeper than Orthidiella community). miogeocline.

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 226920: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.08.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Berry, Lawson and Yancey 1979. Ross 1967 Prof Pap. 523-D."
Hexactinellida
 Lyssacinosa - Stiodermatidae
Hyalostelia sp. glass sponge
Lingulata
 Lingulida -
Lingulida indet. Waagen 1885
"linguloid"
Rhynchonellata
 Pentamerida - Tetralobulidae
Rhysostrophia occidentalis Ulrich and Cooper 1936
Rhysostrophia nevadensis Ulrich and Cooper 1936
 Orthida - Plectorthidae
"Orthambonites mazourkensis" = Plectorthis mazourkaensis, "Orthambonites patulus" = Plectorthis patula
"Orthambonites mazourkensis" = Plectorthis mazourkaensis Phleger 1933
"Orthambonites patulus" = Plectorthis patula Phleger 1933
 Orthida - Orthidae
"Orthambonites minisculus" = Paralenorthis minusculus
"Orthambonites minisculus" = Paralenorthis minusculus Phleger 1933
Cystoidea
  -
Cystoidea indet. von Buch 1846
"cystoid"