Niagara Gorge section 1, Irondequoit Limestone Fm. (Rockway Mbr.; 23.4 - 24.3 m) (Silurian of Canada)
Where: Ontario, Canada (43.1° N, 79.0° W: paleocoordinates 27.0° S, 44.8° W)
When: Pterospathodus amorphognathoides zone, Rockway Member (Irondequoit Limestone Formation), Wenlock (433.4 - 427.4 Ma)
• interval 23.4-24.3 m
Environment/lithology: marine; dolomite
• "argillaceous dolomite." 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 745: authorized by John Alroy, entered by Mike Sommers on 02.03.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
• conodonts only
Show authors, comments, and common names
| Conodonta | |
"Ozarkodina polinclinata" = Wurmiella polinclinata, "Ozarkodina excavata" = Wurmiella excavata
"Ozarkodina polinclinata" = Wurmiella polinclinata Nicoll and Rexroad 1968 conodont
"Ozarkodina excavata" = Wurmiella excavata Branson and Mehl 1933 conodont | |
|
Carniodus carnulus Walliser 1964 conodont | |
"Distomodus staurognathoides" = Distomodus staurognathoides, "Johnognathus huddlei" = Distomodus staurognathoides
"Distomodus staurognathoides" = Distomodus staurognathoides Walliser 1964 conodont | |
|
Oulodus petila conodont | |
|
Pterospathodus amorphognathoides Walliser 1964 conodont | |
|
Panderodus unicostatus Branson and Mehl 1933 conodont | |
|
Walliserodus sancticlairi Cooper 1976 conodont | |