SUNY-B 262 Route 17, exit 90 (Devonian of the United States)

Where: Delaware County, New York (41.0° N, 75.0° W: paleocoordinates 36.1° S, 23.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Walton Formation (West Fall Group), Frasnian (382.7 - 372.2 Ma)

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: cast, mold/impression, adpression, permineralized, replaced with limonite

Collection methods: quarrying, mechanical,

• Collected by J.W. Wells, Larry Pickard, J. Harrington, J.D. Grierson, in June 18, 1968.

Primary reference: W. E. Stein. 2002. SUNY-Binghamton Paleobiology Collection. [W. Stein/N. Smith/N. Smith]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28750: authorized by Bill Stein, entered by Manuela Gonzalez on 24.02.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Euphyllophytina "B2"
Ridged axis (dia. 3-10 mm)
Euphyllophytina "B3"
Ridged axis (dia. 10-20 mm)
Euphyllophytina "B4"
Ridged axis (dia. >20 mm)
Euphyllophytina "C2"
Irregularly patterned axis (dia. 3-10 mm)
Archaeopteridopsida
 Archaeopteridales - Archaeopteridaceae
Archaeopteris ? sp. Dawson 1871
Fertile and sterile axis?
Eddya
  -
Eddya ? sp. Beck 1967
Identified by collectors.
Colpodexylon
  -
Colpodexylon ? sp. Banks 1944
Identified by collectors.