Unit 8, Rochester Shale, North Rose Hill Section (Silurian to of the United States)

Where: Allegany County County, Maryland (39.7° N, 78.8° W: paleocoordinates 29.1° S, 47.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rochester Shale Formation (Clinton Group), Llandovery to Llandovery (443.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale and lithified, gray, blue limestone

• Drab to olive shale, with thin gray-blue fossiliferous limestones.

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 41093: authorized by Pete Wagner, entered by Kimberly Koverman on 06.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Dalmanitidae
 Phacopida - Homalonotidae
Ostracoda
 Palaeocopida - Beyrichiidae
 Platycopida -
Strophomenata
 Orthotetida - Pulsiidae
 Strophomenida - Leptostrophiidae
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
 Orthida - Dalmanellidae
"Parmorthis elegantula" = Resserella
"Parmorthis elegantula" = Resserella