Section 2. Bed 5. Log of part of core from Porter County (Silurian of the United States)

Where: Porter County, Indiana (41.5° N, 87.1° W: paleocoordinates 23.1° S, 53.7° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pterospathodus amorphognathoides conodont zone, Salamonie Dolomite Formation (Edgewood Group), Telychian (438.5 - 433.4 Ma)

• Underlies Pleasant Mills; overlies Sexton Creek.

• group of beds-level stratigraphic resolution

Environment/lithology: gray, silty, cherty/siliceous dolomite

• Dolomite, gray and tan-gray, some being color banded and coarsely mottled, dense to fine-grained, very cherty; has many shaly partings; chert is gray and unaltered, also cream colored and chalky textured, nodular;

Size class: mesofossils

Primary reference: C. B. Rexroad and J. B. Droste. 1982. Stratigraphy and conodont paleontology of the Sexton Creek Limestone and the Salamonie Dolomite (Silurian) in northwestern Indiana. State of Indiana Department of Natural Resources, Geological Survey Special Report 25:1-29 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 203586: authorized by Pete Wagner, entered by Pete Wagner on 20.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Belodellida - Dapsilodontidae
Dapsilodus obliquicostatus
Dapsilodus obliquicostatus Branson and Mehl 1933 conodont
 Prioniodontida - Balognathidae
Pterospathodus amorphognathoides
Pterospathodus amorphognathoides Walliser 1964 conodont
 Ozarkodinida - Kockelellidae
Kockelella ranuliformis
Kockelella ranuliformis Walliser 1964 conodont