Also known as Articulate Brachiopods in the Central Basin
Where: Davidson County, Tennessee (36.3° N, 86.7° W: paleocoordinates 26.9° S, 61.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Amorphognathus superbus conodont zone, Arnheim Formation, Richmondian (449.6 - 445.5 Ma)
• Calcarenite bed. The Arnheim Formation is limited to the northwest flank of the Nashville Dome. The overlying Fernvale Formation crops out in a discontinuous belt along the north, west, and south sides of the Central Basin.
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; shelly/skeletal, silty lime mudstone and red, yellow lime mudstone
Size class: macrofossils
Preservation: original calcite
Primary reference: H. J. Howe. 1988. Articulate brachiopods from the Richmondian of Tennessee. Journal of Paleontology 62(2):204-218 [S. Holland/T. Hanson/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 192104: authorized by Pete Wagner, entered by Pete Wagner on 08.03.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Retrorsirostra carleyi Hall 1860 | |
| |
Platystrophia ponderosa Foerste 1909 | |
Hebertella occidentalis Hall 1847 | |
Zygospira modesta Hall 1847 | |
Rhynchotrema dentatum1 Hall 1847
"? Lepidocyclus capax" = Hiscobeccus capax1 Conrad 1842 | |
Strophomenata | |
Rafinesquina sp. Hall and Clarke 1892 | |
Strophomena planumbona Hall 1847 | |
Thaerodonta recedens Sardeson 1892 |