237-y (=MoGS 5132). Poverty Flat Mines, near Berryman (Ordovician of the United States)

Also known as A few miles W of Palavar

Where: Washington County, Missouri (37.9° N, 91.1° W: paleocoordinates 23.6° S, 81.0° W)

• outcrop-level geographic resolution

When: Van Buren Member (Gasconade Formation), Gasconadian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite

• Dolomite with chert replacement.

Size class: macrofossils

Preservation: cast, original silica

Collected by J. D. Robertson in 1890; reposited in the USNM

Primary reference: E. L. Yochelson. 1958. Some Lower Ordovician monoplacophoran mollusks from Missouri. Journal of the Washington Academy of Sciences 48(1):8-14 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157150: authorized by Pete Wagner, entered by Pete Wagner on 06.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Eogastropoda - Sinuopeidae
Euconia conicus, Gasconadia putilla
Euconia conicus Heller 1954 snail
observed in USNM collections 06/1991
Gasconadia putilla Sardeson 1896 snail
observed in USNM collections 06/1991
Tergomya
 Tryblidiida - Tryblidiidae
Bipulvina croftsae n. gen. n. sp.
Bipulvina croftsae n. gen. n. sp. Yochelson 1958