Sect. 7, No. 977.35-6, Davis Fm, Elvins Group, MO - Kurtz 1975 (Cambrian of the United States)

Where: Washington County, Missouri (37.9° N, 90.7° W: paleocoordinates 22.8° S, 86.4° W)

• local area-level geographic resolution

When: Elvinia zone, Davis Formation, Franconian (497.0 - 485.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shale

• main: shale; unit c generalization: shale unit, domal stromatolites occur 20 ft. above the unit's base.

Collection methods: Collection name 977.35-06 means notebook 977, the section described beginning on page 35 of the notebook, and the 6th collection up from the base of the section.

Primary reference: V. E. Kurtz. 1975. Franconian (Upper Cambrian) trilobite faunas from the Elvins Group of Southeast Missouri. Journal of Paleontology 49(6):1009-1043 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9154: authorized by Mark Patzkowsky, entered by Phil Borkow on 27.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Phylacteridae
Cliffia wilsoni trilobite
Cliffia lataegenae Wilson 1949 trilobite
 Ptychopariida - Elviniidae
Elvinia roemeri trilobite
 Olenida - Pterocephaliidae
 Olenida - Dokimokephalidae
Artiopoda
 Agnostida - Diplagnostidae
Pseudagnostus communis Hall and Whitfield 1877