1205-middle (Carboniferous to of the United States)

Where: Bonneville, Madison, Teton County, Idaho (43.7° N, 111.3° W: paleocoordinates 6.2° N, 36.6° W)

When: Wells Formation, Early/Lower Pennsylvanian to Early/Lower Pennsylvanian (323.2 - 307.0 Ma)

• Fossils found in the lower part of the formation.

Environment/lithology: marine; lithified limestone

• Limestone, gray (weathers light gray), fine-grained, irregularly bedded; a few nodules of gray chert; much fossil debris.

Size classes: macrofossils, mesofossils

Primary reference: M. H. Staatz and H. F. Albee. 1966. Geology of the Garns Mountain Quadrangle Bonneville, Madison, and Teton Counties, Idaho. United States Geological Survey Bulletin (1205) [A. Zaffos/E. Ito]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 184609: authorized by Andrew Zaffos, entered by Erika Ito on 13.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Athyrididae
Composita sp.
Composita sp. Brown 1849
cf. C. subtilita
 Spiriferida -
Spiriferoidea indet.
 Orthida - Rhipidomellidae
Rhipidomella sp.
Strophomenata
 Productida - Productidae
"Dictyoclostus" sp.
"Dictyoclostus" sp.
cf. "D." coloradoensis