Where: Giles County, Virginia (37.4° N, 80.8° W: paleocoordinates 29.8° S, 61.1° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Martinsburg Formation, Caradoc (458.4 - 449.5 Ma)
• Total unit thickness = 20.67 m
•
•Time interval = Trentonian-Maysvillian
•
•Stratigraphy and geology information based on Kreisa (1980)
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, shelly/skeletal, gray, silty packstone and shale
Size class: macrofossils
Collection methods: bulk,
Primary reference: K. M. Layou. 2009. Ecological restructuring after extinction: the Late Ordovician (Mohawkian) of the eastern United States. Palaios 24:118-128 [K. Layou/K. Layou]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 85703: authorized by Karen Layou, entered by Karen Layou on 13.01.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Isotelus sp. Dekay 1824 trilobite | |
Stenolaemata | |
| |
Rhynchonellata | |
Dalmanella fertilis Ulrich 1909 | |
Strophomenata | |
Sowerbyella rugosa Meek 1873 |