MR-23. East side of old Rocky Road, 1.3 miles NE of Winona town square (Ordovician of the United States)

Also known as Eminence Quadrangle SE¼ SW¼ SE¼ sec. 26 T. 23 N., R. 2 W.

Where: Shannon County, Missouri (37.0° N, 91.3° W: paleocoordinates 23.8° S, 82.0° W)

• 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 50205: authorized by Pete Wagner, entered by Pete Wagner on 10.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Ophiletidae
Lecanospira perplana Heller 1954 snail
 Eogastropoda - Sinuopeidae
"Rhombella umbilicata" = Euconia umbilicata
"Rhombella umbilicata" = Euconia umbilicata Dake and Bridge 1932 snail