Edgewood Group, Locality C (Silurian of the United States)

Where: Pike County, Missouri (39.3° N, 91.2° W: paleocoordinates 22.2° S, 58.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Bowling Green Dolomite Formation, Llandovery (443.4 - 433.4 Ma)

• Lower part of Bowling Green Dolomite here is tentatively assigned a Late Ord. age.

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray limestone and dolomite

• "Unrestricted offshore environment of moderate depth involving some water movement by waves and (or) currents." "Gray dolomitic limestone and dolomite. In considerable part crystalline dolomite, with coarseness varying from bed to bed. Fossils present in some beds, many preserved as casts and molds."

Preservation: cast

Primary reference: T. W. Amsden. 1974. Late Ordovician and Early Silurian articulate brachiopods from Oklahoma, southwestern Illinois, and eastern Missouri. Bulletin - Oklahoma Geological Survey 119:1-154 [J. Alroy/M. Sommers/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3350: authorized by John Alroy, entered by Mike Sommers on 30.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Brachiopods (Articulate) only. Trilobites and bryozoans also listed as present.
Show authors, comments, and common names
Rhynchonellata
 Atrypida - Atrypinidae
Eospirigerina putilla
Eospirigerina putilla Hall and Clarke 1894
 Orthida - Dicoelosiidae
Dicoelosia sp.
Dicoelosia sp. King 1850
 Orthida - Dalmanellidae
Dalmanella edgewoodensis
 Orthida - Platyorthidae
? Diceromyonia sera
? Diceromyonia sera
originally entered as "? Diceromyonia sera"
 Orthida - Hesperorthidae
Dolerorthis savagei
Dolerorthis savagei Amsden 1974