USNM 18140. (Silurian of the United States)

Also known as UC Loc. A4779

Where: Siskyou County, California (41.4° N, 122.7° W: paleocoordinates 6.5° S, 67.0° W)

• local area-level geographic resolution

When: Kangaroo Creek Formation, Ludlow (427.4 - 423.0 Ma)

• Clasts of late Silurian age given other indicators

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone and conglomerate

• limestone conglomerate.

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, hydrochloric

Primary reference: D. M. Rohr. 1980. Ordovician - Devonian Gastropoda from the Klamath Mountains, California. Palaeontographica Abteilung A 171:141-199 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69238: authorized by Pete Wagner, entered by Pete Wagner on 21.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Murchisoniidae
"Murchisonia (Murchisonia) cf. bachelieri" = Goniostropha bachelieri
"Murchisonia (Murchisonia) cf. bachelieri" = Goniostropha bachelieri Rouault 1851 snail