Where: Jessamine County, Kentucky (37.9° N, 84.5° W: paleocoordinates 27.5° S, 63.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Belodina compressa conodont zone, Tyrone Limestone Formation (High Bridge Group), Rocklandian (460.9 - 449.5 Ma)
• "29 ft (10 m) above the base of the Tyrone Limestone"
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; intraclastic, peloidal, shelly/skeletal grainstone
Size class: macrofossils
Preservation: recrystallized, replaced with silica
Reposited in the USNM
Collection methods: bulk, acetic,
• " [...] specimens were obtained from bulk rock collections (36,000 pounds (lbs) of limestone) made by USGS field parties in the 1960's and 1970's." (Frey, 1995). This statement not only applies to the Marble Creek locality. For further details on collection methods see p. P22 in the primary reference
Primary reference: R. C. Frey. 1995. Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio. U.S. Geological Survey Professional Paper 1066P:1-126 [S. Holland/S. Holland]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87962: authorized by Björn Kröger, entered by Torsten Liebrecht on 29.03.2009, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Tetradium | |
Cephalopoda | |
| |
Polyplacophora | |
Spicuchelodes cressmani Hoare and Pojeta 2006 chiton 145 intermediate plates one head plate # two tail plates.
| |
Bivalvia | |
| |
| |
Strophomenata | |
| |
Ostracoda | |
Eoleperditia fabulites ostracod | |
Leperditella spp. ostracod | |
Krausella sp. ostracod |