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Ginkgoopsida

(Class)

Overview

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The Ginkgoaceae is a family of gymnosperms which appeared during the Mesozoic Era, of which the only extant representative is Ginkgo biloba, which is for this reason sometimes regarded as a living fossil. Formerly, however, there were several other genera and forests of ginkgo existed. Because leaves can take such diverse forms within a single species, these are a poor measure of diversity, but wood structure points to the existence of diverse ginkgo forests in ancient times.1]

Principal genera

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External links

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2>Principal genera
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External links

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References

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  1. ^ Gnaedinger, S. (2011). "Ginkgoalean woods from the Jurassic of Argentina: Taxonomic considerations and palaeogeographical distribution". Geobios. doi:10.1016/j.geobios.2011.01.007.  edit

Taxonomy

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The Class Ginkgoopsida is further organized into finer groupings including:

Orders

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Ginkgoales

The Ginkgoaceae is a family of gymnosperms which appeared during the Mesozoic Era, of which the only extant representative is Ginkgo biloba, which is for this reason sometimes regarded as a living fossil. Formerly, however, there were several other genera and forests of ginkgo existed. Because leaves can take such diverse forms within a single species, these are a poor measure of diversity, but wood structure points to the existence of diverse ginkgo forests in ancient times. [more]

At least 149 species and subspecies belong to the Order Ginkgoales.

More info about the Order Ginkgoales may be found here.

References

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  1. ^ Gnaedinger, S. (2011). "Ginkgoalean woods from the Jurassic of Argentina: Taxonomic considerations and palaeogeographical distribution". Geobios. doi:10.1016/j.geobios.2011.01.007.  edit

Sources

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Last Revised: August 24, 2012
2012/08/24 13:05:59