Joffrichthys
Encyclopedia
Joffrichthys is a genus of prehistoric bony fish. This North America
n genus includes two species, J. symmetropterus and J. triangulpterus. The latter species is known from the Paleocene
of the Sentinel Butte Formation of North Dakota
.
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
n genus includes two species, J. symmetropterus and J. triangulpterus. The latter species is known from the Paleocene
Paleocene
The Paleocene or Palaeocene, the "early recent", is a geologic epoch that lasted from about . It is the first epoch of the Palaeogene Period in the modern Cenozoic Era...
of the Sentinel Butte Formation of North Dakota
North Dakota
North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....
.
See also
- Prehistoric fishPrehistoric fishPrehistoric fish refers to early fish that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian to the Tertiary. The study of prehistoric fish is called paleoichthyology...
- List of prehistoric bony fish