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Multiple Insects
and the suture pattern can be seen
Specimens range from larval size to 65 cm and are commonly found in close association with the extinct herring Knightia sp
Detrital clay minerals (smectite
The pink colors are caused by trace amounts of uranium minerals that were present during the fossilization process
Eocene Green River Cardiospermum P-PCM-16-079 Dinosaur Bones Multiple InsectsCardiospermum coloradensis Green River Formation Parachute Creek Member Middle Eocene Uintah County, Utah This is a good example of the herbaceous vine Cardiospermum. In general the impression from the upper Green River are highly variable in shape. They have rounded apices on the lobes and dissections of the leaflets. Fossil examples of Cardiospermum are much more coriaceous that that of living species as evidenced by the heavy deposit of carbon and
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