Unit 1, McKenzie Formation, McKenzie-Pinto Section (Silurian to of the United States)

Where: Allegany County County, Maryland (39.6° N, 78.8° W: paleocoordinates 29.2° S, 47.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: McKenzie Formation, Llandovery to Llandovery (443.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, green, yellow sandstone

• Greenish and yellowish sandstone, transitional to Bloomsburg.

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 41103: authorized by Pete Wagner, entered by Kimberly Koverman on 06.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Protobranchia - Nuculanidae
Clidophorus nitidus pointed nut clam