Unit 14, Wills Creek Limestone, Roundtop Section (Silurian to of the United States)

Where: Maryland (39.7° N, 78.2° W: paleocoordinates 32.8° S, 42.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wills Creek Limestone Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray, calcareous shale and lithified limestone

• Thin-bedded dark-gray calcareous shale and platy limestone; some mudrock; cement tunnel in lower part of this unit.

Primary reference: H. P. Woodward. 1941. Silurian System of West Virginia. West Virginia Geological Survey 14:1-326 [P. Wagner/K. Koverman/K. Koverman]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 41152: authorized by Pete Wagner, entered by Kimberly Koverman on 07.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Palaeocopida - Beyrichiidae
 Leperditicopida - Leperditiidae
Leperditia alta ostracod
Leperditia alta and L. alta var. brevicula