Richmond Group, Cincinnati Arch region corals (Ordovician of the United States)
Where: Kentucky, Indiana, Ohio (39.4° N, 84.6° W: paleocoordinates 25.5° S, 58.1° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Richmond Group, Ashgill (449.5 - 443.7 Ma)
• Richmondian
• group-level stratigraphic resolution
Environment/lithology:
Size class: macrofossils
Primary reference: R. J. Elias and D. Lee. 1993. Microborings and growth in Late Ordovician halysitids and other corals. Journal of Paleontology 67(6):922-934 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 28026: authorized by Steven Holland, entered by Tori Hanson on 20.01.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
• From Stichtenoth (1977), Elias (1982), Risk et al (1987)
Show authors, comments, and common names
| Anthozoa | |
|
Grewingkia canadensis Billings 1862 horn coral
Streptelasma divaricans Nicholson 1875 horn coral | |