The Hensel Formation or Hensel Sand is a Mesozoic geologic formation in Texas. Fossil ornithopod tracks have been reported from the formation.
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Hampshire Formation is a geologic formation in West Virginia, USA. It preserves fossils dating back to the Devonian 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 Mount Marion Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
The Mount Toby Formation is a geologic formation in Massachusetts. It preserves fossils dating back to the Jurassic period.
The Clough Formation is a geologic formation in western New Hampshire. It preserves fossils dating back to the Silurian period. Prominent exposures include along the ridges of Croydon Mountain, Moose Mountain, Smarts Mountain, and Mount Cube.
The Weches Formation is a greensand, slay, and shale geologic formation in Louisiana and Eastern Texas. It preserves fossils dating back to the Paleogene period, specifically the Eocene.
The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Del Rio Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period.
The Maroon Formation is a geologic formation in Colorado. It preserves fossils dating back to the Permian period. It is the primary formation of sandstone that lends the vivid red color to the hills around Glenwood Springs, Colorado.
The Martinez Formation is an Eocene Epoch geologic formation in California.
The Etherington Formation is a geologic formation in Alberta. It preserves fossils dating back to the Carboniferous period.
The Mount Whyte Formation is a stratigraphic unit that is present on the western edge of the Western Canada Sedimentary Basin in the southern Canadian Rockies and the adjacent southwestern Alberta plains. It was deposited during Middle Cambrian time and consists of shale interbedded with other siliciclastic rock types and limestones. It was named for Mount Whyte in Banff National Park by Charles Doolittle Walcott, the discoverer of the Burgess shale fossils, and it includes several genera of fossil trilobites.
The Headon Formation is a geological formation found in Hampshire, England. It preserves fossils dating back to the Bartonian stage (Eocene).
The Headon Hill Formation is a geological formation found in the Isle of Wight and south Hampshire, England. It preserves fossils dating back to the Priabonian stage.
The Solent Group is a geological group in the Hampshire Basin of southern England. It preserves fossils ranging in age from Priabonian to Rupelian. The group is subdivided into three formations, the Headon Hill Formation, the Bembridge Limestone Formation and the Bouldnor Formation.
New Hampshire 
United States 
