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Miagrammopes
This is a very complete ammonite with the entire living chamber preserved
This formation is interpreted as a semi-arid environment with distinct wet and dry seasons
it has been a top feature in several films and documentaries about prehistoric life
Niobrara County
Eocene Green River Cardiospermum P-PCM-16-079 Coprolite MiagrammopesCardiospermum 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