-
described include: †
Sphenophyllum angustifolium †
Sphenophyllum biarmi****
Zalessky (1937) †
Sphenophyllum changxingense †
Sphenophyllum churulianum Ashw. K...
-
Roupala sphenophyllum is a
species of
plant in the
family Proteaceae. It is
endemic to Peru.
World Conservation Monitoring Centre (1998). "Roupala sphenophyllum"...
-
Platystrophia is an
extinct genus of
brachiopods that
lived from the
Ordovician to the
Silurian in Asia, Europe,
North America, and
South America. It has...
-
reduction of megaphylls, as
evidenced by
early fossil forms such as
Sphenophyllum, in
which the
leaves are
broad with
branching veins. The
vascular bundles...
- may
actually by synonymous.
Sphenophyllales is
typified by the
genus Sphenophyllum. The
probable relationships within Equisetidae are
shown in the cladogram...
-
diameter of 30 to 60 cm (24 in) and a
height of up to 20 m (66 ft).
Sphenophyllum was a
slender climbing plant with
whorls of leaves,
which was probably...
-
names of
Annularia and Asterophyllites, and a vine-like form
called Sphenophyllum;
Pteridophyta as
marattitalean tree
ferns and
Filicales and Zygopteridales...
- with a
trunk diameter of 30 to 60 cm and a
height of up to 20 meters.
Sphenophyllum was a
slender climbing plant with
whorls of leaves,
which was probably...
-
Illustrations of
Sphenophyllum by Feistmantel...
- over 100 feet high. The rest of the
flora included scouring rushes,
Sphenophyllum, ferns, and seed ferns. The
fossils they left
behind include casts,...
