Pleuromeia
Encyclopedia
Pleuromeia is a genus
of extinct spore-tree
s belonging to the order Pleuromeiales and class Isoetopsida
.
It was one of the most common plants during the recovery from the Permian-Triassic extinction event
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of extinct spore-tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
s belonging to the order Pleuromeiales and class Isoetopsida
Isoetopsida
The Isoetopsida is a class of the Lycopodiophyta. All living plants belong to the genus Selaginella in the Selaginellales or to Isoetes in the order Isoetales. In the past, members of this group have sometimes been placed in the class Isoetopsida, sometimes in the Selaginellopsida or Lycopodiopsida...
.
It was one of the most common plants during the recovery from the Permian-Triassic extinction event
Permian-Triassic extinction event
The Permian–Triassic extinction event, informally known as the Great Dying, was an extinction event that occurred 252.28 Ma ago, forming the boundary between the Permian and Triassic geologic periods, as well as the Paleozoic and Mesozoic eras...
.
External links
- http://www.cindylooy.org/theorectical_and_conceptual/theorectical_4.html Information and image