Where: Virginia (37.4° N, 80.9° W: paleocoordinates 29.7° S, 61.1° W)
• coordinate based on unpublished field data
• hand sample-level geographic resolution
When: Martinsburg Formation, Mohawkian (457.3 - 451.0 Ma)
• Based on Kreisa (1980, VA Tech Ph.D. dissertation), probably Trenton equivalent
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified, gray, silty, calcareous shale and siltstone
Size classes: macrofossils, mesofossils
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 85585: authorized by Karen Layou, entered by Karen Layou on 12.01.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Ctenodonta pulchella clam | |
Gastropoda | |
Loxoplocus sp. Fischer 1885 snail | |
Bucania sp. Hall 1847 snail | |
Plectonotus sp. Clarke 1899 snail | |
Craniata | |
Craniops sp. Hall 1859 | |
Lingulata | |
Lingula sp. BruguiƩre 1797 | |
Rhynchonellata | |
Dalmanella bassleri Foerste 1909 | |
Strophomenata | |
Rafinesquina alternata Conrad 1838 | |
Sowerbyella rugosa Meek 1873 |