Where: Washington County, Virginia (36.8° N, 82.3° W: paleocoordinates 30.0° S, 66.5° W)
• coordinate stated in text
• local area-level geographic resolution
When: Chazy to Chazy (466.0 - 457.5 Ma)
• "Because of lack of definitive lithologic and faunal data and the narrow outcrop belt, these rocks are mapped as Middle Ordovician, undivided."
• formation-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, concretionary, gray, red limestone and shelly/skeletal, brown, calcareous shale
Primary reference: C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 6991: authorized by John Alroy, entered by Mike Sommers on 18.04.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Chlorophyceae | |
Gastropoda | |
? Lophospira sp. Whitfield 1886 snail | |
Rhynchonellata | |
? Hesperorthis sp. Schuchert and Cooper 1931 | |
Stenolaemata | |
Constellaria sp. Dana 1846 | |
Scenellopora sp. Ulrich 1882
? Coeloclema sp. Ulrich 1882 | |
Stictopora sp. Hall 1847 | |
? Chazydictya sp. Ross 1963 | |
Phylloporina sp. Foerste 1887 | |
Halloporina sp. Astrova 1965 | |
Heterotrypa sp. Nicholson 1879 | |
Hemiphragma sp. Ulrich 1893 | |
Deuteropoda | |
| |
Cystoidea | |
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