1.8" Eocene Fossil Balloon Vine (Cardiospermum) Leaf - Utah

This is a fossil ballon vine (Cardiospermum coloradensis leaf, collected from the Eocene-aged Green River Formation of Utah. The dark brown preservation contrasts nicely against light brown-grey rock.

Comes with an acrylic display stand

It comes the Green River Formation in Uintah County, Utah. This is the same formation that's famous for producing well preserved fish fossils, but a different member and location.