The Elbow of Mazourka Canyon (Ordovician of the United States)

Where: Inyo County, California (36.9° N, 118.1° W: paleocoordinates 5.8° S, 85.1° W)

When: Badger Flat Formation, Whiterockian (470.0 - 457.3 Ma)

• Stated as Mazourka Formation, which has been split into the Al Rose and Badger Flat Formations

Environment/lithology: shallow subtidal; gray, argillaceous limestone

• The shale beds grade into an argillaceous limestone, which is interbedded at infrequent intervals with a few thin shale layers. The limestone is dark gray on fresh fracture and weathers in light and dark discontinuous bands. It is abundantly fossiliferous and continues to the top of the formation.

Size class: macrofossils

Preservation: mold/impression, recrystallized

Collected by Fred B. Phleger, Jr. and John H. Bradley, Jr in 1931

Primary reference: F. B. Phleger, Jr. 1933. Notes on certain Ordovician faunas of the Inyo Mountains, California. Bulletin of the Southern California Academy of Sciences 32(1):1-21 [J. Marcot/J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 205649: authorized by Jonathan Marcot, entered by Jonathan Marcot on 17.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Orthidae
"Orthis minusculus n. sp." = Paralenorthis minusculus
"Orthis minusculus n. sp." = Paralenorthis minusculus Phleger 1933
Trilobita
 Phacopida - Encrinuridae
Encrinurus octonarius n. sp., Encrinurus hastula n. sp., Cybeloides calliteles n. sp.
Encrinurus octonarius n. sp. Phleger 1933 trilobite
Encrinurus hastula n. sp. Phleger 1933 trilobite
Cybeloides calliteles n. sp. Phleger 1933 trilobite
 Phacopida - Cheiruridae
Ceraurus infrequens n. sp.
Ceraurus infrequens n. sp. Phleger 1933 trilobite