Locality 34, Green, Triangle Fm., Sonyea Grp., NY (Devonian of the United States)

Where: Chenango County, New York (42.3° N, 75.8° W: paleocoordinates 34.6° S, 24.1° 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: 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

PaleoDB collection 10220: authorized by Arnold Miller, entered by Karen Layou on 06.03.2001, edited by Alycia Stigall

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
unclassified
  -
Plantae indet.
Plantae indet. Haeckel 1866
plant fragments
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid columnals
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. Agassiz 1847 nautiloid
Bivalvia
 Cardiidia - Grammysiidae
Grammysioidea sp.
Grammysioidea sp. Williams 1916 clam
 Trigoniida - Eoschizodidae
Eoschizodus sp.
Eoschizodus sp. Cox 1951 clam
 Ostreida - Pterineidae
Actinopteria sp., "Leptodesma (Leioptera) conradi" = Leptodesma (Leiopteria)
Actinopteria sp. Hall 1884 oyster
"Leptodesma (Leioptera) conradi" = Leptodesma (Leiopteria) oyster
Rhynchonellata
 Rhynchonellida - Petasmariidae
Pugnoides sp.
Pugnoides sp. Weller 1910
 Rhynchonellida - Leiorhynchidae
Leiorhynchus sp.
Leiorhynchus sp. Hall 1860
 Spiriferida - Mucrospiriferidae
Tylothyris sp.
Tylothyris sp. North 1920
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Orthida - Schizophoriidae
Schizophoria sp., Schizophoria impressa
Schizophoria sp. King 1850
Strophomenata
 Strophomenida - Strophodontidae
"Stropheodonta sp." = Strophomena (Strophodonta)
"Stropheodonta sp." = Strophomena (Strophodonta) Hall 1852
 Productida - Productellidae
Productella sp.
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831