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Description: | Specimen of a fossil fish, Diplomystus dentatus Cope, collected from the Green River Shales of Tertiary, Eocene age from Green River, Wyoming, U.S.A..
Diplomystus dentatus was a common, now extinct, herring-like fish that lived during the Eocene period, approximately 40 to 50 million years ago, in a deep fresh water lake that covered an area of approximately 25000 miles of the USA. At that time, the climate in the area was sub tropical. Diplomystus probably ate small fish that also lived in the lake, because fossils of this fish, with smaller fish in its mouth and stomach, have been found. The rock from which this fossil comes from is part of the Green River Formation.
The specimen was found in USA.
It is from the Tertiary period (65 - 1.8 million years ago) | Publisher: | Tyne & Wear Archives & Museums | Subjects: | Classification: Chordata Pisces | Temporal: | Tertiary period (65 - 1.8 million years ago) | Source: | Tyne & Wear Archives & Museums | Identifier: | http://www.twmuseums.org.uk/geofinder/se... | Go to resource |
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