| West River Shale | |
|---|---|
| Stratigraphic range: Frasnian | |
| Type | Formation |
| Unit of | Genesee Group |
| Lithology | |
| Primary | Shale |
| Location | |
| Region |  New York |
| Country |  United States |
The West River Shale [1] is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
Macrocephalochelys is an extinct genus of turtles in the family Chelydridae. It was first described from a partial skull from the Pliocene found in Ukraine by Piboplichko and Taraschchuk in 1960. It was assigned to the family Chelydridae by R. L. Carroll in 1988 although it had been hypothesised to belong in Chelydridae by Chkhikvadze in 1971.
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Rochester Shale is a geologic formation exposed in New York and West Virginia. It preserves fossils dating back to the Silurian period.
The Sonyea Group is a geologic group in the northern part of the Appalachian Basin. It preserves fossils dating back to the Devonian period.
The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back to the Devonian period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee.
The Genesee Group is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Portage Group, also known as the Nunda Group, Portage Formation, or Portage Shale, are all obsolete, now abandoned, names for fossiliferous, sedimentary strata of Late Devonian age in New York. It was named for extensive outcrops found along the Genesee River in an area formerly included in town of Nunda, now in Portage, New York in the southwest corner of Livingston County.
The Trenton Group is a limestone geologic group in New York.
The Reynales Formation is a geologic formation in New York. It preserves fossils dating back to the Silurian period.
The Eramosa Formation is a geologic formation in New York. It preserves fossils dating back to the Silurian period.
The Power Glen Shale is a geologic formation in New York. It preserves fossils dating back to the Silurian period.
The Cattaraugus Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Oswayo Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Enfield Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Genundewa Limestone is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Penn Yan Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Rock Stream Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Pulteney Shale is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
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