North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. Wow! This is an amazing and sizable sandstone matrix that contains a fossilized palm frond and a Priscacara serrata fish! This species of prehistoric fish was once numerous, and their fossilized remains are often referred to by fossil hunters as "prisky" - since they are related to perch and have prickly dorsal spines. This fish is slightly recessed in the matrix and was carefully excavated to preserve the bones and soft tissue. Prisky was predatory, with rounded teeth for eating crustaceans and small fish, and lived in a subtropical lake, surrounded by flowering plants and trees - including palms, as evidenced by the frond in the matrix! The sediment from the Green River Formation was deposited over a 5-million-year span, the layers of flora and fauna may not have fossilized at the same time - but make for interesting composites. The complete fish in the foreground and fronds splayed out behind is impressive! Size: 31.5" L x 14.25" W x 1.75" H (80 cm x 36.2 cm x 4.4 cm)
Provenance: private Berthoud, Colorado, USA collection
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#167930
Condition
Losses to sandstone matrix and chips as shown. Mounted on a wooden frame for support with a metal bracket for mounting on a wall. Having both the complete fish and most of the frond in such a naturally pleasing arrangement is quite rare!