Also known as 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: Ledyard Shale Member (Ludlowville Formation), Givetian (387.7 - 382.7 Ma)
Environment/lithology: shale
Size class: macrofossils
Preservation: permineralized, replaced with pyrite
Collection methods: quarrying, chemical, mechanical,
• From Arnold 1935
Primary reference: W. E. Stein. 1982. The Devonian Plant Reimannia, with A Discussion of the Class Progymnospermopsida. Palaeontology 25:605-622 [W. Stein/J. Kao/J. Kao]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 21167: authorized by Bill Stein, entered by Jenny Kao on 19.06.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Pteridopsida | |
Lepidodendron sp. Sternberg 1820 | |
Reimannia aldenense | |
| |
Equisetopsida | |
Dadoxylon sp. Endlicher 1847 | |
Xenocladia medullosina Arnold 1940 |