Locality 13a, Triangle-lower, Triangle Formation, New York (Devonian of the United States)

Where: Broome County, New York (42.3° N, 75.9° W: paleocoordinates 34.6° S, 24.2° W)

• outcrop-level geographic resolution

When: Triangle Formation (Sonyea Group), Frasnian (382.7 - 372.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: prodelta; burrowed, gray shale and siltstone

• interbedded shales and siltstones; contain numerous grooves, tracks, trails, cross-laminae, current ripples

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 10202: authorized by Arnold Miller, entered by Karen Layou on 05.03.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• Relative abundance categories: (1) 1-10 specimens; (2) 11-100 specimens; (3) 101-1000 specimens; and (4)more than 1000
Show authors, comments, and common names
Lingulata
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
Bivalvia
 Cardiidia - Grammysiidae
Sphenotus sp.
Sphenotus sp. Hall 1884 clam
 Ostreida - Pterineidae
Leptodesma spinigerum
Leptodesma spinigerum Conrad 1842 oyster