M. S. M. 105.18. On Missouri State Highway 80 at junction with old road (Ordovician of the United States)

Where: Taney County, Missouri (36.7° N, 93.0° W: paleocoordinates 23.4° S, 78.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Theodosia Formation, Cassinian (482.3 - 470.0 Ma)

• Middle of formation

• formation-level stratigraphic resolution

Environment/lithology: lithified, gray, argillaceous, cherty/siliceous limestone and lithified, ooidal, gray chert

• Thick to thin-bedded, argillaceous and coarsely crystallin, light gray to buff dolomite. Chert abundant, light to dark gray, oölitic and non oölitic

Size class: macrofossils

Preservation: replaced with silica

Primary reference: J. S. Cullison. 1944. The stratigraphy of some Lower Ordovician formations of the Ozark uplift. University of Missouri School of Mines and Metallurgy Technical Series Bulletin 15(2):1-112 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 210298: authorized by Pete Wagner, entered by Pete Wagner on 29.05.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia typica
Tritoechia typica Schuchert and Cooper 1932
Gastropoda
 Euomphalina - Raphistomatidae
"Lesueurilla planidorsalis" = Bridgeites planidorsalis
"Lesueurilla planidorsalis" = Bridgeites planidorsalis Cullison 1944 snail
misspelled Lesueurilla planodorsalis