Locality 54, Bainbridge East, Triangle Fm., Sonyea Grp., NY (Devonian of the United States)

Where: New York (42.3° N, 75.4° W)

• Paleocoordinates: 33.0° S, 42.5° W (Wright 2013)

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; burrowed, gray shale and siltstone

• laminated, dark gray, silvery, arenaceous shales interbedded with widely spaced, thin, cross laminated, and rippled siltstones; pillow structures, wave ripples, tracks, trails and burrows are common

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 10228: authorized by Arnold Miller, entered by Karen Layou on 06.03.2001, edited by Pete Wagner

Creative Commons license: CC0 (CC0)

Taxonomic list

• Relative abundance categories: (1) 1-10 specimens; (2) 11-100 specimens; (3) 101-1000 specimens; and (4)more than 1000
unclassified
  -
Gastropoda
 Bellerophontida -
Bellerophontoidea indet. M'Coy 1851 snail
Bivalvia
 Cardiidia - Grammysiidae
Sphenotus sp. Hall 1884 clam
 Cardiida -
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Rhynchonellata
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
 Orthida - Schizophoriidae
Schizophoria sp. King 1850
Strophomenata
 Productida - Productellidae
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid columnals