Also known as Summersville Quadrangle NW¼ SE¼ sec. 8 f. 27 N., R.5W.
Where: Shannon County, Missouri (37.0° N, 91.5° W)
• Paleocoordinates: 11.8° N, 108.7° W (Wright 2013)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Roubidoux Formation, Migneintian (485.4 - 478.6 Ma)
• Lower Jeffersonian
• bed-level stratigraphic resolution
Environment/lithology: lithified, cherty/siliceous limestone
Size class: macrofossils
Reposited in the USNM
Primary reference: R. L. Heller. 1954. Stratigraphy and paleontology of the Roubidoux Formation of Missouri. State of Missouri Department of Business and Administration, Division of Geological Survey and Water Resources 1-60 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 50202: authorized by Pete Wagner, entered by Pete Wagner on 10.05.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
| Cephalopoda | |
Campbelloceras overmani n. sp.
| |
| Gastropoda | |
Plethospira extensa n. sp.
| |
"Rhombella umbilicata" = Euconia umbilicata, "Jarlopsis conicus" = Euconia conicus
"Rhombella umbilicata" = Euconia umbilicata Dake and Bridge 1932 snail
"Jarlopsis conicus" = Euconia conicus Heller 1954 snail | |
|
Macluritella stantoni Kirk 1927 snail | |
Lecanospira soluta n. sp.
| |
| Tergomya | |
Ozarkoconus prearcuatus n. gen. n. sp.
| |
|
Hypseloconus compressus Ulrich et al. 1931 | |
|
Proplina elongata Cullison 1944 | |