Locality 25, Coventry Quarry, Triangle Fm, Sonyea Group, New York (Devonian of the United States)

Where: Chenango County, New York (42.3° N, 75.6° W: paleocoordinates 34.7° S, 24.0° 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

• mudstones and sandstones; cross-bedding, wave and current ripples, groove casts, pillow structures, and parallel laminae common in coarser sediments

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 10213: 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
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid columnals
Strophomenata
 Productida - Productellidae
 Strophomenida - Strophodontidae
"Stropheodonta sp." = Strophomena (Strophodonta)
"Stropheodonta sp." = Strophomena (Strophodonta) Hall 1852
Rhynchonellata
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Orthida - Schizophoriidae
Schizophoria sp. King 1850
 Rhynchonellida - Leiorhynchidae
Leiorhynchus sp. Hall 1860
 Rhynchonellida - Petasmariidae
Pugnoides sp. Weller 1910
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Trigoniida - Eoschizodidae
Eoschizodus sp. Cox 1951 clam
 Cardiida -
 Ostreida - Pterineidae
Ectenodesma sp. Hall 1883 oyster
 Pectinida - Pterinopectinidae
Lyriopecten sp. Hall 1877 scallop
 Nuculanida - Malletiidae
Palaeoneilo constricta Conrad 1842 clam
[entered as Paleoneilo constricta]