- Carboniferous.
classification of the
Cycadophyta to the rank of family.
class Cycadopsida Brongniart 1843
Order Cycadales Persoon ex von
Berchtold &
Presl 1820...
-
Extinct in the wild (EW): 45
species Critically endangered (CR): 5,702
species Endangered (EN): 10,901
species Vulnerable (VU): 9,673
species ...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
- This is a list of
plants from
India that have been
considered rare, threatened, endangered, or
extinct by the IUCN or the
Botanical Survey of India. Some...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
-
classes for the five groups:[citation needed]
Division ****tophyta
Cycadopsida, the
cycads Ginkgoopsida, the
ginkgo Pinopsida, the conifers, ("Coniferopsida")...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
- †Pentoxylopsida †Petriellales Acrogymno****e (living gymnosperms)
Cycadopsida (cycads)
Ginkgoales (Ginkgo)
Pinopsida (conifers)
Gnetopsida Angio****e...
