Where: Boyle County, Kentucky (37.6° N, 84.9° W: paleocoordinates 27.4° S, 63.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Perryville Limestone Member (Lexington Limestone Formation), Chatfieldian (453.8 - 451.0 Ma)
• Measured from the base of the Salvisa Bed; Section No. 30B
• bed-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, burrowed, brown, gray limestone
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•"The light-gray calcilutite [of the Salvisa Bed] resembles much of the limestone in the Tyrone Limestone" (Cressman, 1973, p. 25)
Size classes: macrofossils, mesofossils
Primary reference: G.P. Wahlman. 1992. Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region. United States Geological Survey Professional Paper 1066(O):1-123 [P. Wagner/P. Wagner/E. Ito]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 99334: authorized by Pete Wagner, entered by Hallie Street on 08.11.2010, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Rostroconchia | |
"Bransonia cressmani" = Pojetaconcha cressmani5
"Bransonia cressmani" = Pojetaconcha cressmani5 Pojeta and Runnegar 1976 | |
Tergomya | |
Vallatotheca unguiformis Ulrich and Scofield 1897 | |
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus
"Cyrtolites (Cyrtolites) retrorsus" = Cyrtolites retrorsus Ulrich and Scofield 1897 | |
Bivalvia | |
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Polyplacophora | |
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Gastropoda | |
Bucanopsis carinifera, "Sphenosphaera clausus" = Sphenosphaera rogersensis
Bucanopsis carinifera Ulrich and Scofield 1897 snail
"Sphenosphaera clausus" = Sphenosphaera rogersensis Foerste 1914 snail | |
"Bucania nashvillensis" = Loxobucania nashvillensis
"Bucania nashvillensis" = Loxobucania nashvillensis Ulrich and Scofield 1897 snail | |
Carinaropsis cymbula Hall 1861 snail | |
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Rhynchonellata | |
Platystrophia elegantula1 McEwan 1919
Platystrophia colbiensis1 Foerste 1910 | |
Rhynchotrema increbescens3 Hall 1847 | |
? Zygospira sp.3 Hall 1862 | |
Strophomenata | |
Pionomena recens6 Neuman 1967 | |
Furcitella cf. scofieldi6 Winchell and Schuchert 1892 | |
Trilobita | |
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Cyclocystoidea | |
Cyclocystoides sp.4 Salter and Billings 1858 |