Big Bend Quadrangle, Modin Formation, L.S.J.U. 2975 (Triassic to of the United States)

Where: Shasta County, California (41.3° N, 122.3° W: paleocoordinates 19.5° N, 57.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Devils Canyon Member (Modin Formation), Norian to Norian (228.0 - 201.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: foreshore; siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression, original calcite

Primary reference: A. F. Sanborn. 1960. Geology and Paleontology of the southwest quarter of the Big Bend Quadrangle, Shasta County, California. California Division of Mines, Special Report 63 18-26 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38330: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Plicatulidae
 Ostreida - Ostreidae
Lopha sp. Röding 1798 oyster
 Ostreida - Pinnidae
Pinna sp. Linnaeus 1758 oyster
 Mytilida - Mytilidae
Volsella sp. Scopoli 1777 mussel
Rhynchonellata
 Spiriferinida - Laballidae
"Spiriferina cf. suessi" = Laballa suessi
"Spiriferina cf. suessi" = Laballa suessi Winkler 1859