USNM 18134, conglomerate around massive limestone outcrop, major hill. (Ordovician of the United States)

Where: Siskyou County, California (41.4° N, 122.7° W: paleocoordinates 1.1° S, 76.8° W)

• local area-level geographic resolution

When: Kangaroo Creek Formation, Caradoc (458.4 - 449.5 Ma)

• Clasts of Caradocian age given other indicators

• bed-level stratigraphic resolution

Environment/lithology: lithified conglomerate and limestone

• Carbonate with limestone clasts

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 69232: authorized by Pete Wagner, entered by Pete Wagner on 21.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Lophospiridae
Ectomaria prisca, "Murchisonia (Murchisonia) callahanensis" = Ectomaria callahanensis, "Loxoplocus (Lophospira) perangulata" = Lophospira perangulata
Ectomaria prisca Billings 1859 snail
"Murchisonia (Murchisonia) callahanensis" = Ectomaria callahanensis Rohr 1980 snail
"Loxoplocus (Lophospira) perangulata" = Lophospira perangulata Hall 1847 snail
 Murchisoniina - Eotomariidae
Liospira modesta Ulrich and Scofield 1897 snail
Paraliospira angulata Ulrich and Scofield 1897 snail
Paraliospira mundula Ulrich and Scofield 1897 snail
 Euomphalina - Euomphalidae
"Ellisella greggi" = Linsleyella greggi, Linsleyella johnsoni n. gen. n. sp.
"Ellisella greggi" = Linsleyella greggi Rohr 1980 snail
Linsleyella johnsoni n. gen. n. sp. Rohr 1980 snail