Locality 5, Hillyard's Canyon, Zone "L" (Ordovician of the United States)

Where: Franklin County, Idaho (42.1° N, 111.6° W: paleocoordinates 8.2° S, 77.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Paralenorthis-Orthidiella brachiopod zone, "Upper Cherty" Member (Garden City Formation), Rangerian (471.8 - 468.1 Ma)

• 80 feet interval 1356 feet above base of formation. Zone L.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, massive, gray limestone

• "Light gray, non-cherty, crystalline limestone"

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 103788: authorized by Melanie Hopkins, entered by Melanie Hopkins on 02.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Hexactinellida
 Reticulosa - Protospongiidae
Protospongia sp. Salter 1864 glass sponge
Rhynchonellata
 Orthida - Anomalorthidae
Anomalorthis sp. Ulrich and Cooper 1936
 Pentamerida - Tetralobulidae
 Parablastoidea - Blastocystidae