Locality 30a, West Bainbridge--lower, Triangle Fm., Sonyea Grp., NY: Frasnian, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
3 category
Rhynchonellata - Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
1 category
Rhynchonellata - Rhynchonellida - Leiorhynchidae
Leiorhynchus sp. Hall 1860
3 category
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum contracta
Rode and Lieberman 2004
unclassified
Bryozoa indet. Ehrenberg 1831
3 category
Bivalvia - Ostreida - Pterineidae
Leptodesma naviforme
3 category
Bivalvia - Grammysiidae
Sphenotus sp. Hall 1884
2 category
see common names

Geography
Country:United States State/province:New York
Coordinates: 42.3° North, 75.5° West (view map)
Paleocoordinates:34.7° South, 23.9° West
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Late/Upper Devonian
Stage:Frasnian 10 m.y. bin:Devonian 4
*Epoch:Upper Devonian
*Local age/stage:Senecan
Key time interval:Frasnian
Age range of interval:382.70000 - 372.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Sonyea Formation:Triangle
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:current ripples,wave ripples,"cross stratification",flute casts mudstone
Secondary lithology: sandstone
Lithology description: mudstones and sandstones; cross-bedding, wave and current ripples, groove casts, pillow structures, and parallel laminae common in coarser sediments
Environment:delta front Tectonic setting:foreland basin
Taphonomy
Collection methods and comments
Collection methods:observed (not collected)
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:Relative abundance categories: (1) 1-10 specimens; (2) 11-100 specimens; (3) 101-1000 specimens; and (4)more than 1000
Metadata
Database number:10216
Authorizer:A. Miller, A. Stigall Enterer:K. Layou, A. Stigall
Research group:marine invertebrate
Created:2001-03-06 11:12:54 Last modified:2001-08-30 17:52:51
Access level:the public Released:2001-03-06 12:03:00
Creative Commons license:CC BY
Reference information

Primary reference:

3808. 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]

Secondary references:

14402 A. L. Rode and B. S. Lieberman. 2004. Using GIS to unlock the interactions between biogeography, environment, and evolution in middle and Late Devonian brachiopods and bivalves. Palaeogeography, Palaeoclimatology, Palaeoecology 211(3-4):345-359 [A. Stigall/A. Stigall/A. Stigall]