Where: Chenango County, New York (42.4° N, 75.5° W: paleocoordinates 34.7° S, 23.9° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Triangle Formation (Sonyea Group), Frasnian (382.7 - 372.2 Ma)
• formation-level stratigraphic resolution
Environment/lithology: delta front; mudstone and sandstone
Primary reference: K. B. Macdonald. 1975. Quantitative community analysis: Recurrent group and cluster techniques applied to the fauna of the Upper Devonian Sonyea Group, New York. Journal of Geology 82:473-499 [A. Miller/K. Layou]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 10233: authorized by Arnold Miller, entered by Karen Layou on 06.03.2001, edited by Alycia Stigall
Creative Commons license: CC BY (attribution)
Taxonomic list
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Strophomenata | |
"Stropheodonta sp." = Strophomena (Strophodonta)
"Stropheodonta sp." = Strophomena (Strophodonta) Hall 1852 | |
Rhynchonellata | |
Leiorhynchus sp. Hall 1860 | |
Schizophoria impressa Hall 1843 | |
Mucrospirifer sp. Grabau 1931 | |
Bivalvia | |
Sphenotus sp. Hall 1884 clam | |
| |
Crinoidea | |
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