ammonites
Hermitage (Curdsville) - Wilson, 1949 (Ordovician of the United States)

Where: Tennessee (35.5° N, 86.5° W: paleocoordinates 28.1° S, 66.4° W)

• basin-level geographic resolution

When: Curdsville Member (Hermitage Formation), Shermanian (460.9 - 449.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: lithified, phosphatic, shelly/skeletal, gray packstone and mudstone

• Geologic information from field notes of S.M. Holland and M.E. Patzkowsky
• thin to medium-bedded skeletal and phosphatic packstones, interbedded with dark gray mudstones

Preservation: original calcite, replaced with calcite

Primary reference: C. W. Wilson. 1949. Pre-Chattanooga stratigraphy in Central Tennessee. Tennessee Division of Geology Bulletin 56:1-415 [S. Holland/S. Holland] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5347: authorized by Steven Holland, entered by Steven Holland on 27.09.1999