Locality 43, Hartford Hills, Triangle Fm., Sonyea Grp., NY (Devonian of the United States)

Where: New York (42.4° N, 76.2° W: paleocoordinates 34.5° S, 24.5° 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; contains numerous grooves, tracks, trails, cross-laminae and 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 10225: authorized by Arnold Miller, entered by Karen Layou on 06.03.2001

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
Rhynchonellata
 Rhynchonellida - Leiorhynchidae
Leiorhynchus sp.
Leiorhynchus sp. Hall 1860
 Rhynchonellida - Petasmariidae
Pugnoides sp.
Pugnoides sp. Weller 1910
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp.
Camarotoechia sp. Hall and Clarke 1893
Bivalvia
 Trigoniida - Eoschizodidae
Eoschizodus sp.
Eoschizodus sp. Cox 1951 clam
 Ostreida - Pterineidae
Leptodesma spinigerum
Leptodesma spinigerum Conrad 1842 oyster