Locality 5, Hillyard's Canyon, gastropod beds (Ordovician of the United States)

Where: Franklin County, Idaho (42.1° N, 111.6° W: paleocoordinates 7.8° S, 80.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Garden City Formation, Canadian (485.4 - 468.1 Ma)

• 8 foot interval beginning at 346 feet above base of formation.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• "Resistant, aphanitic, irregularly laminated limestone, equally divided by 1-foot coarsely crystalline fossiliferous limestone bed."

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 103808: authorized by Melanie Hopkins, entered by Melanie Hopkins on 02.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail