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''Umkomasia feistmantelii'' is an unusually large species of '' Umkomasia'' from the Early Triassic of New South Wales, Australia.


Description

''Umkomasia feistmantelii'' is found both with cupules enclosing the large seeds and with cupules open and expandede into a star-shaped form.


Whole Plant Reconstruction

''Umkomasia feistmantelii'' from the Early
Triassic The Triassic ( ; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.4 Mya. The Triassic is t ...
of
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
may have been produced by the same plant as '' Pteruchus barrealensis'' (pollen organs) and ''
Dicroidium zuberi ''Dicroidium zuberi'' is a large bipinnate species of the seed fern '' Dicroidium'' with a forked rachis. The leaves are affiliated with ''Umkomasia feistmantellii'' megasporophylls and ''Petruchus'' ''barrealensis'' microsporophylls. ''D. zu ...
'' (leaves)


See also

*
Evolution of plants The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats of unicellular archaeplastids evolved through endosymbiosis, through multicellular marine habitat, marine and freshwater green algae, to spore-beari ...


References


External links


Paleodb.org: ''Umkomasia feistmanteli''
Permian plants Triassic plants Pteridospermatophyta Cisuralian life Early Triassic life Plants described in 1987 Cisuralian first appearances Early Triassic extinctions {{Triassic-plant-stub