Locality 2, Beaver Creek, Zone "L" (Ordovician of the United States)

Where: Cache County, Utah (42.0° N, 111.5° W: paleocoordinates 8.3° S, 77.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Paralenorthis-Orthidiella brachiopod zone, Garden City Formation, Rangerian (470.0 - 470.3 Ma)

• 105-120 feet below top of formation. Zone L.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithology not reported

• Based on descriptions of the Garden City Formation at other localities described in Ross 1951.

Size class: macrofossils

Collected by R. J. Ross, Jr. in 1946-1947; reposited in the YPM

Primary reference: R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161 [S. Finnegan/S. Finnegan/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 103787: authorized by Melanie Hopkins, entered by Melanie Hopkins on 02.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• At this locality: A brachiopod-trilobite-ostracod faunal assemblage typical of "Zone M" is reported above this collection in the Swan Peak Formation; brachiopods and trilobites characteristic of "Zone J" found 30-40 feet below this collection.
Show authors, comments, and common names
 Parablastoidea - Blastocystidae
Blastoidocrinus sp.
Blastoidocrinus sp. Billings 1859
Rhynchonellata
 Orthida - Orthidae
Orthis cf. subalata
Orthis cf. subalata Ulrich and Cooper 1938
 Orthida - Anomalorthidae
Anomalorthis sp.
Anomalorthis sp. Ulrich and Cooper 1936