Gorgeous 3.5" Fossil Ginkgo Leaf From North Dakota

This is a large fossil Ginkgo leaf of the species Ginkgo adiantoides from the Sentinel Butte Formation of North Dakota. It is finely detailed, and the light preservation contrasts well against the dark orangish-brown rock. There is one repaired crack in the rock, but it doesn't detract from the specimen. It comes with an acrylic display stand.

During this time in the Paleocene epoch, the Ginkgo genus was only represented by a single polymorphic species, formerly described as Ginkgo adiantoides. In 2012, the taxon Ginkgo cranei was assigned in place of Ginkgo adiantoides. This species was distributed in much of the northern regions of North America, which had a hot, humid climate at the time. Its leaves were virtually indistinguishable from modern-day Ginkgo biloba. These species of Ginkgo went extinct approximately 7 million years ago.
Ginkgo adiantoides
Morton County, North Dakota
Sentinel Butte Formation
3.5" wide leaf on 5.3x5" matrix
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