Ginkgo biloba | Ginkgo | ginkgo | Ginkgo gardneri | Ginkgo cranei | ginkgo biloba |
It declined in diversity as the Cretaceous progressed with the extinction of species such as Ginkgo huolinhensis, and by the Palaeocene, only a few Ginkgo species, Ginkgo cranei and Ginkgo adiantoides, remained in the Northern Hemisphere, while a markedly different (and poorly documented) form persisted in the Southern Hemisphere.