Niagara Stone Quarry, Oak Orchard Formation (10.1 m), Niagara Co., New York (Silurian of the United States)

Where: Niagara County, New York (43.1° N, 79.0° W: paleocoordinates 27.0° S, 44.7° W)

• coordinate based on nearby landmark

When: Oak Orchard Formation, Wenlock (433.4 - 427.4 Ma)

• 10.1 m above base. The Oak Orchard Fm. spans the Ozarkodina? crassa - Ancoradella ploeckensis zones. It is not possible to tell exactly where each sample location falls within these zones.

Environment/lithology: marine; dolomite

• argillaceous, vuggy, stylolitic, stromatolitic dolomite according to strat section. no environment info given.

Primary reference: M. A. Kleffner. 1991. Conodont biostratigraphy of the upper part of the Clinton Group and the Lockport Group (Silurian) in the Niagara Gorge region, New York and Ontario. Journal of Paleontology 65(3):500-511 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 775: authorized by John Alroy, entered by Mike Sommers on 04.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• conodonts only.
Show authors, comments, and common names
Conodonta
 Prioniodontida -
Oulodus sp., Pseudooneotodus bicornis
Oulodus sp. Branson and Mehl 1933 conodont
more than 1 species (spp.)
Pseudooneotodus bicornis Drygant 1974 conodont
 Ozarkodinida -
Ozarkodina confluens
Ozarkodina confluens Rhodes 1953 conodont
 Ozarkodinida - Kockelellidae
Kockelella walliseri
Kockelella walliseri Helfrich 1975 conodont
 Ozarkodinida - Spathognathodontodae
"Ozarkodina excavata" = Wurmiella excavata
"Ozarkodina excavata" = Wurmiella excavata Branson and Mehl 1933 conodont
 Panderodontida - Panderodontidae
Panderodus sp., Panderodus unicostatus
Panderodus sp. Ethington 1959 conodont
n. sp. Barrick 1977
Panderodus unicostatus Branson and Mehl 1933 conodont