Diplomystus
dentatus
Order Ellimmichthyiformes, Family Ellimmichthyidae
Geologic
Time: Lower Eocene (50 million years ago)
Size: 20.5
inches
Fossil
Site: Fossil Lake, Green River Formation, Wyoming
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. The genus Diplomystus is
also found to occur in Cretaceous strata in South America, as well
as Cretaceous
Lebanon. This
Diplomystus specimen exemplifies the very best from the Eocene Green
River Formation, in terms of size, bone and soft tissue preservation
and professional preparation.
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