Hungerford quarry, Ithaca (Devonian of the United States)

Where: New York (42.4° N, 76.4° W: paleocoordinates 34.4° S, 24.7° W)

• coordinate based on political unit

When: "Enfield" siltstone Formation, Frasnian (382.7 - 372.2 Ma)

• Enfield is more currently known as Rock Stream siltstones.

Environment/lithology: marine; gray siltstone and gray, sandy shale

• Fry (1955, p.39): The plant remains are found in the turbulent siltstone beds that were deposited in water variouisly estimated at between 50 and 75 feet in depth and perhaps 75 to 100 miles of the old shoreline.
• Fry (1939, p.39): The fossils are always found within the siltstone and not its surfaces in contact with the shales. They do not however lie perfectly flat.

Preservation: adpression

Collection methods: quarrying, mechanical, peel or thin section,

Primary reference: W.L. Fry and H.P. Banks. 1955. Three New Genera of Algae from the Upper Devonian of New York. Journal of Paleontology 29:37-44 [W. Stein/N. Smith/N. Smith]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14253: authorized by Bill Stein, entered by Nicole Smith on 29.05.2002, edited by Alycia Stigall

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Drydenia foliata
lamina with a holdfast
Hungerfordia dichotoma
no holdfast present
Rhynchonellata
 Orthida - Schizophoriidae