- The
zosterophylls are a
group of
extinct land
plants that
first appeared in the
Silurian period. The
taxon was
first established by
Banks in 1968 as the...
- well as the
informal "lycophyte" may be used to
include the
extinct zosterophylls or to
exclude them.
Lycophytes reproduce by
spores and have alternation...
- and
their closest extinct relatives are
generally believed to be the
zosterophylls, a
paraphyletic or
plesion group.
Ignoring some
smaller extinct taxa...
-
thickened outer wall of
guard cells There is
agreement that
Sawdonia was a
zosterophyll – a
group of
plants on the line of
evolution leading to the
modern lycopodiopsids...
-
terminal sporangia (e.g., Cooksonia, Rhynia) with
centrarch xylem;
zosterophylls comprised plants with
lateral sporangia that
split distally (away from...
- Gondwana, to Australia. In the late Silurian, two
distinctive lineages,
zosterophylls and rhyniophytes, had
colonised the tropics. The
former evolved into...
-
plants (tracheophytes) †Rhyniophyta –
rhyniophytes †Zosterophyllophyta –
zosterophylls Lycopodiophyta –
clubmosses †Trimerophytophyta –
trimerophytes Polypodiophyta...
-
defined "
zosterophylls",
basal to the
lycopsids (living and
extinct clubmosses and relatives). Hao and Xue in 2013
listed the
genus as a
zosterophyll. Hao...
- lycophytes. Hao and Xue in 2013
considered the
genus as a
questionable zosterophyll. Hao, Shou-Gang & Beck,
Charles B. (1991), "Yunia dichotoma, a Lower...
-
developed from the side of
early stems (such as
those found in the
Zosterophylls).
Outgrowths of the
protostele (the
central vasculature)
later emerged...