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Dicroidium is an
extinct genus of fork-leaved seed plants. It is the
archetypal genus of the corystosperms, an
extinct group of seed plants,
often called...
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Dicroidium odontopteroides was a
common and
widespread species of
Dicroidium known from
South Africa, Australia, New Zealand,
South America and Antarctica...
- Africa.
Corystosperms are
typified by a
group of
plants that bore
forked Dicroidium leaves,
Umkomasia cu****te
ovulate structures and
Pteruchus pollen organs...
- Mesozoic. In the
Southern Hemisphere landm****es of Gondwana, the tree
Dicroidium, an
extinct "seed fern"
belong to the
order Corysto****les was a dominant...
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Dicroidium zuberi is a
large bipinnate species of the seed fern
Dicroidium with a
forked rachis. The
leaves are
affiliated with
Umkomasia feistmantellii...
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Antarctica was
dominated by seed
ferns (pteridosperms)
belonging to the
genus Dicroidium,
which grew as trees.
Other ****ociated Tri****ic
flora included ginkgophytes...
- out.
Rhynchosaurs (archosaur relatives) also common. Seed
ferns called Dicroidium remained common in Gondwana,
before being replaced by
advanced gymnosperms...
-
Dicroidium zuberi, an
Early Tri****ic
plant from
Pangaea (present-day Argentina)...
- world, with
Lepidopteris persisting into the
Early Jur****ic in Patagonia.
Dicroidium, a
corystosperm seed fern that was a
dominant part of
Gondwanan floral...
-
Podocarpaceae and Araucariaceae,
dominated Gondwana in the
Early Tri****ic, but
Dicroidium, an
extinct genus of fork-leaved seed ferns,
dominated woodlands and forests...
