Where did Diplomystus live?
Where did Diplomystus live?
Wyoming
altiformis. Diplomystus dentatus (Cope, 1877) is well known from lower Eocene deposits from the Green River Formation in Wyoming….Diplomystus.
| Diplomystus Temporal range: Valanginian to early Eocene, | |
|---|---|
| Family: | †Ellimmichthyidae |
| Genus: | †Diplomystus Cope, 1877 |
| Species | |
| See text |
What fish species is the closest extant living relative of the Diplomystus fossil fish?
This is a very nice specimen of a double Fossil Diplomystus dentatus Fish from the Eocene Age from the Green River Formation, Lincoln County, Wyoming. The Diplomystus is a close relative to the herring and sardine, although the Diplomystus is now extinct and lived in the Eocene period.
When did Knightia go extinct?
Knightia History: Knightia was a small species of freshwater herring that lived and died in the Eocene Epoch, approximately 50 million years ago.
How old is the Diplomystus fossil?
Genus: Diplomystus Dentatus. Age: Paleogene, Eocene, 53.500,000 to 48.500,000 years.
What did the Diplomystus eat?
fish
Diplomystus dentatus Diplomystus’ morphology, including its upturned mouth is prototypic of a surface feeding fish. The genus are herrings that likely fed on small surface dwelling fish as Knightia, is evidenced by numerous fossils found with Knightia is the stomach or mouth.
What type of sediment accumulates to form the Green River Formation?
oil shale
The Green River Formation contains the largest oil shale deposit in the world.
Who discovered Knightia?
Wilbur Clinton Knight
The first Knightia fossils were discovered in the 1840’s by missionaries and explorers traveling through the region. There the genus was named after Wilbur Clinton Knight, the first state geologist of Wyoming. Today, fossils are collected at several commercial quarries around the town of Kemmerer, Wyoming.
How many species of Knightia are there?
three
There are three known species in the Knightia genus.
Who discovered the Green River?
In the early 19th century, the upper river in Wyoming was part of the disputed Oregon Country. It was explored by trappers from the North West Company and Hudson’s Bay Company, such as Donald Mackenzie who pioneered the area, from 1819.
How old is the Green River Formation?
around 50 million years
The age of the Green River Formation is within the Eocene period and these fossils specifically date back to around 50 million years before present. Each rock usually contains an abundance of insects and floral material, primarily leaves.
When did the Knightia live?
Knightia is an extinct genus of clupeid bony fish that lived in the freshwater lakes and rivers of North America and Asia during the Eocene epoch.
Where are Knightia fossils found?
Green River Formation of Wyoming
An extinct genus of fish, knightia is well-known from the abundant fossils found in the Green River Formation of Wyoming.
