Locality 11, Green Canyon, Zone "G(2)" (Ordovician of the United States)

Where: Cache County, Utah (41.8° N, 111.8° W: paleocoordinates 7.5° S, 81.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Protopliomerella contracta trilobite zone, Garden City Formation, Tulean (480.8 - 474.9 Ma)

• Fossils from top of 58 foot interval 432 foot above base of formation.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified conglomerate and lithified limestone

• "Intraformational conglomerate with pebbles 1-4 inches in diameter, in beds 4 feet thick, interlayered with aphanitic, laminated limestone and crystalline limestone in beds 1-2 feet thick."

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 103912: authorized by Melanie Hopkins, entered by Melanie Hopkins on 03.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Remopleurididae
Menoparia genalunata
Menoparia genalunata Ross 1951 trilobite
 Phacopida - Pliomeridae
"Protopliomerops contracta" = Protopliomerella contracta
"Protopliomerops contracta" = Protopliomerella contracta Ross 1951 trilobite