Franconian, Elvinia zone, Davis Fm. (Cambrian of the United States)

Where: Indiana (39.6° N, 86.9° W: paleocoordinates 25.1° S, 83.5° W)

• coordinate based on political unit

• basin-level geographic resolution

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

• "Franconian, Elvinia zone"

Environment/lithology: shallow subtidal; silty limestone

• "silty to fine-sandy ls (5' interval), shallow subtidal, BA2?, stable craton"

Size class: macrofossils

Primary reference: A. R. Palmer. 1982. Fossils of Dresbachian and Franconian (Cambrian) age from the subsurface of west-central Indiana. Indiana Department of Natural Resources, Geological Survey Special Report 29:1-12 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 245: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Palmer, 1982" [trilobites, 1 brach]
Show authors, comments, and common names
Trilobita
 Ptychopariida - Phylacteridae
Aphelotoxon sp., ? Drabia sp.
Aphelotoxon sp. Palmer 1965 trilobite
? Drabia sp. Wilson 1951 trilobite
originally entered as "? Drabia sp."
 Ptychopariida - Elviniidae
Elvinia sp.
Elvinia sp. Walcott 1924 trilobite
2 species
 Ptychopariida - Kingstoniidae
Bynumina sp.
Bynumina sp. Resser 1942 trilobite
 Corynexochida - Cheilocephalidae
Cheilocephalus sp.
Cheilocephalus sp. Berkey 1898 trilobite
 Olenida - Pterocephaliidae
Pterocephalia sp.
Pterocephalia sp. Roemer 1849 trilobite
 Olenida - Dokimokephalidae
Dellea sp., Calocephalites sp., Kindbladia sp.
Dellea sp. Wilson 1949 trilobite
Calocephalites sp. Kurtz 1975 trilobite
Kindbladia sp. Frederickson 1948 trilobite
Artiopoda
 Agnostida - Diplagnostidae
Pseudagnostus sp.
Pseudagnostus sp. Jaekel 1909
Lingulata
 Lingulida -
Lingulida indet.
Lingulida indet. Waagen 1885