13020 - Finest Grade Knightia eocaena Fossil Fish Green River Fm WY Eocene Age Perciformes Atractosteus
Yard notes & kiln story
Description
Atractosteus
TYPE: Carbonaceous Chondrite C2 Ungrouped
Onchopristis's eyes were on top of its head
PaleoDB taxon number: 235010
It has already been confirmed as Carbonaceous Chondrite C3 ungrouped based on isotopic composition
13020 - Finest Grade Knightia eocaena Fossil Fish Green River Fm WY Eocene Age Perciformes AtractosteusScientific name: Knightia eocaenaLocation: Kemmerer, WyomingGeological Formation: Green River FmAge: Eocene ( 56 million years)Size: 12cm long Plate: 17,7 x 12,6cmRef: M13 13020Fifty million years ago ancient Fossil Lake existed in what is now southwest Wyoming. The unusual chemistry of fossil lake prevented decay and scavenging of dead organisms while millimeter thick layers of alternating limestone matter slowly accumulated. The result is laminated