Also known as Tully Pyrite-Alden, NY
Where: Erie County County, New York (42.9° N, 78.5° W: paleocoordinates 36.5° S, 25.9° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Tully Pyrite Formation (Hamilton Group), Givetian (387.7 - 382.7 Ma)
• Arnold (1940, p. 57): "The uppermost of the plant-yielding beds is the Tully Pyrite...the other plant-bearing horizon is lower and is contained within the Ledyard member of the Ludlowville shale. It is separated from the Tully Pyrite by the Moscow shale and the Tichenor limestone which together have a thickness of about fifty feet."
Environment/lithology: pyritic ironstone
Size class: macrofossils
Preservation: permineralized, original carbon, replaced with pyrite
Collection methods: quarrying, mechanical,
Primary reference: C. A. Arnold. 1940. Structure and Relationships of Some Middle Devonian Plants from Western New York. American Journal of Botany 27(2):57-63 [W. Stein/J. Kao/J. Kao]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14246: authorized by Bill Stein, entered by Nicole Smith on 29.05.2002, edited by Jenny Kao
Creative Commons license: CC BY (attribution)
Taxonomic list
Aneurophytopsida | |
| |
Xenocladia medullosina Arnold 1940 |