''Umkomasia feistmantelii'' is an unusually large species of ''

Umkomasia ''Umkomasia'' is a genus of seed bearing organs produced by corystosperm seed ferns, first based on fossils collected by Hamshaw Thomas from the Burnera Waterfall locality near the Umkomaas River of South Africa. He recognized on the basis of ...

'' from the Early Triassic of New South Wales, Australia. Umkomasia feistmantelii cupule

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 ( ) is a geologic period and system (stratigraphy), system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Year#Abbreviations yr and ya, Mya), to the beginning of the Jurassic Period 201.36 ...

of Australia may have been produced by the same plant as ''

Pteruchus barrealensis ''Pteruchus barrealensis'' is an unusually large species of ''Pteruchus'' with very elongate polleniferous heads from Early Triassic of Australia and Argentina. Description ''Pteruchus barrealensis'' is one of the geologically earliest species ...

'' (pollen organs) and ''

Dicroidium zuberi ''Dicroidium zuberi'' is a large bipinnate species of the seed fern ''Dicroidium'' with a forked rachis In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In verteb ...

'' (leaves)

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

Description

Whole Plant Reconstruction

See also

References

External links