Spectacular Fossil Ginkgo Leaf Plate - North Dakota

 
 
This is a spectacular plate of fossil Gingko leaves (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. It's rare to find such nice quality leaf fossils in close association as the ones on this plate.

The rock is approximately 9x3.4" and up to about 3/4" thick. The leaves are all about 3" wide. The specimen 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. It's leaves were virtually indistinguishable from modern-day Ginkgo biloba. These species of Ginkgo went extinct approximately 7 million years ago.
DETAILS
SPECIES
Ginkgo adiantoides
LOCATION
Morton County, North Dakota
FORMATION
Sentinel Butte Formation
SIZE
Matrix 9x3.4", Largest Leaf 3" Wide
CATEGORY
ITEM
#15818
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