Where: Inyo County, California (36.9° N, 118.1° W: paleocoordinates 4.8° S, 87.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Mazourka Formation, Ibexian to Ibexian (488.3 - 471.8 Ma)

• starting in the Anomalorthis zone and possibly extending into the Rhysostrophia zone

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: cast

Primary reference: J. L. Greife and R. L. Langenheim. 1963. Sponges and brachiopods from the Middle Ordovician Mazourka Formation, Independence quadrangle, California. Journal of Paleontology 37(3):564-574 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119488: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.10.2011