SUNFISH

54-37 million years

Period: Eocene
Location: Green River Formation, Kemmerer, Wyoming, USA

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Seas in our day have many species of sunfish. The fossil pictured shows that sunfish have not evolved. For millions of years their physiology has remained the same. The appearance and structure of sunfish that lived about 50 million years ago are the same as those alive today.

Detailed Pictures

Living Example

SF0116