Unit 13, Wills Creek Limestone, Roundtop Section (Silurian to of the United States)
Where: Maryland (39.7° N, 78.2° W: paleocoordinates 32.8° S, 42.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Wills Creek Limestone Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
• Thick-bedded hard crystalline somewhat siliceous 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 41149: 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
| Anthozoa | |
|
Cyathophyllum sp. Goldfuss 1826 horn coral | |
| Gastropoda | |
|
Hormotoma rowei snail | |
| Rhynchonellata | |
| Ostracoda | |
|
Leperditia alta ostracod | |
| Trilobita | |
|
Calymene camerata trilobite | |