Marcem Quarry, 2 miles west of Gate City (Ordovician of the United States)
Where: Virginia (38.6° N, 82.6° W: paleocoordinates 27.9° S, 61.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lincolnshire Formation, Ashbyan (460.9 - 449.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: black, cherty/siliceous limestone
• Limestone, dense, black, cherty
Size class: macrofossils
Preservation: replaced with silica
Reposited in the USNM
Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203254: authorized by Pete Wagner, entered by Pete Wagner on 07.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Strophomenata | |
Sowerbyites subnasutus n. sp.
Sowerbyites subnasutus n. sp. Cooper 1956 | |
Rhynchonellata | |
Valcourea sp. Raymond 1911
Dinorthis atavoides Willard 1928 | |
Mimella ? laticardinia Specimens from the Lincolnshire formation at Marcem Quarry west of Gate City have been placed here, although they are larger and with somewhat more inflated pedicle valve than M. laticardinia, but medium-sized specimens from the same place are very close to the Eidson forms.
| |
Stenolaemata | |
Lunaferamita virginiensis Utgaard 1981 |