Locality 93, Ockerman Bank, Triangle Fm., Sonyea Group, NY (Devonian of the United States)

Where: New York (42.3° N, 75.8° W: paleocoordinates 34.7° S, 24.2° 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; bioturbated, 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 10303: authorized by Arnold Miller, entered by Karen Layou on 03.04.2001, edited by Pete Wagner

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
Gastropoda
 Bellerophontida -
Bellerophontoidea indet. M'Coy 1851 snail
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Rhynchonellata
 Spiriferinida - Cyrtinidae
Cyrtina sp. Davidson 1858
 Rhynchonellida - Leiorhynchidae
Leiorhynchus sp. Hall 1860
 Rhynchonellida - Petasmariidae
Pugnoides sp. Weller 1910
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Spiriferida - Reticulariidae
 Orthida - Schizophoriidae
Schizophoria sp. King 1850
Strophomenata
 Productida - Productellidae
unclassified
  -
Plantae indet. Haeckel 1866
plant fragments