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Two Paleocene, Fossil Ginkgo Leaves - North Dakota
This is a pair of fossil Ginkgo leaves (Ginkgo cranei) from the Sentinel Butte Formation of North Dakota. They are finely detailed and the light preservation contrasts well against the dark brown rock. Including the stems both leaves measure about 3" long.
It comes with an acrylic display stand.
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.
SPECIES
Ginkgo cranei
AGE
LOCATION
Morton County, North Dakota
FORMATION
Sentinel Butte Formation
SIZE
Leaves 3" (including stems), Rock 5.1x3.8"
CATEGORY
ITEM
#161652
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