Unit 3, 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: lithified, calcareous shale and lithified limestone
• Dark calcareous shale and thin 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 41106: authorized by Pete Wagner, entered by Kimberly Koverman on 06.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
unclassified | |
| |
Lingulata | |
Lingula sp. BruguiƩre 1797 | |
Gastropoda | |
"Hormotoma marylandica" = Gyrodoma marylandica
"Hormotoma marylandica" = Gyrodoma marylandica Clarke and Swartz 1913 snail | |
Bivalvia | |
Clidophorus nitidus pointed nut clam | |
Pterinea flintstonensis oyster |