Where: Hamilton County, Ohio (39.2° N, 84.5° W: paleocoordinates 25.8° S, 58.2° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Dillsboro Formation, Richmondian (449.6 - 445.5 Ma)
• "Cincinnatian (lower Richmondian)"
• formation-level stratigraphic resolution
Environment/lithology: sand shoal; limestone and shale
Size class: macrofossils
Primary reference: R. P. MacDaniel. 1976. Upper Ordovician Sedimentary and Benthic Community patterns of the Cincinnati Arch area. 1-181 [M. Uhen/J. Ju/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 354: authorized by Jack Sepkoski, entered by Mike Sommers on 23.03.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Strophomenata | |
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis Foerste 1912 | |
Strophomena sp. Rafinesque and De Blainville 1824 | |
Rafinesquina sp. Hall and Clarke 1892
Leptaena richmondensis Foerste 1909 | |
Rhynchonellata | |
Zygospira sp. Hall 1862 | |
"Lepidocyclus capax" = Hiscobeccus capax
"Lepidocyclus capax" = Hiscobeccus capax Conrad 1842 | |
"Plaesiomys subquadrata" = Plaesiomys subquadratus
"Plaesiomys subquadrata" = Plaesiomys subquadratus Hall 1847 | |
Glyptorthis insculpta Hall 1847 | |
Platystrophia sp. King 1850 | |
Hebertella sp. Hall and Clarke 1892 | |
Stenolaemata | |
? Trepostomata indet. Ulrich 1882 small and large ramose bryozoans - originally entered as "? Trepostomata indet."
| |
Bivalvia | |
Ambonychia sp. Hall 1847 clam | |
Cyrtodontula sp. Tomlin 1931 clam | |
Modiolopsis sp. Hall 1847 clam | |
Trilobita | |
Flexicalymene sp. Shirley 1936 trilobite | |
Isotelus sp. Dekay 1824 trilobite | |
Anthozoa | |
"Streptelasma rusticum" = Helicelasma rusticum
"Streptelasma rusticum" = Helicelasma rusticum Billings 1858 horn coral | |
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