Unit 9, Upper Tonoloway Limestone, Grasshopper Run Section II (Silurian to of the United States)
Where: Morgan County County, West Virginia (39.6° N, 78.2° W: paleocoordinates 32.8° S, 42.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tonoloway Limestone Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, blue limestone
• Laminated blue limestone.
Primary reference: H. P. Woodward. 1941. Silurian System of West Virginia. West Virginia Geological Survey 14:1-326 [P. Wagner/K. Koverman/K. Koverman]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 41174: authorized by Pete Wagner, entered by Kimberly Koverman on 07.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Rhynchonellata | |
Bivalvia | |
"Leiopteria pennsylvanica" = Leptodesma (Leiopteria)
| |
Ostracoda | |
Leperditia alta ostracod |