Unit 19, Middle Tonoloway Limestone, Grasshopper Run Section II (Silurian to of the United States)

Where: Morgan County County, West Virginia (39.6° N, 78.2° W: paleocoordinates 32.8° S, 42.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Member (Tonoloway Limestone Formation), Ludlow to Ludlow (427.4 - 419.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• Thick-bedded gray crystalline limestone.

Size class: macrofossils

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 41633: authorized by Pete Wagner, entered by Kimberly Koverman on 19.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Leperditicopida - Leperditiidae
 Murchisoniina - Murchisoniidae
"Solenospira minuta" = Murchisonia minuta
"Solenospira minuta" = Murchisonia minuta Grabau and Sherzer 1910 snail
 Athyridida - Meristellidae