North America, Fossil Lake, Wyoming, ca. 40 million years ago. An incredible display of two fossilized fish from Fossil Lake, Wyoming. The fish include Diplomystus dentatus and Priscacara liops. The morphology of Diplomystus dentatus, most notably its upturned mouth, is typical of a surface feeding fish. The genus it belongs to are herrings that probably fed on tiny surface dwelling fish such as Knightia. Priscacara is known for its sunfish-like body and spines. These are fabulous examples with well preserved bone and soft tissue and professional preparation. Size: 21" W x 11" H (53.3 cm x 27.9 cm)
An accompanying informative label describes the history of Fossil Lake, stating in part, "The unusual chemistry of Fossil Lake prevented decay and scavenging of dead organisms, while millimeter-thick layers of alternating limestone and organic matter slowly accumulated. The resulting laminated limestones contain the highest concentration of articulated fossil fish in the world. These fish, other fossilized aquatic organisms, and associated geologic features make Fossil Lake the world's best Paleogene record of a freshwater lake ecosystem."
Provenance: ex-private Arizona, USA collection
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#139157
Condition
Chips to corners of stone as shown. Fish are very well preserved and professionally prepared.