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Walchia is a
primitive fossil conifer found in
upper Pennsylvanian (Carboniferous) and
lower Permian (about 310-290 Mya)
rocks of
Europe and
North America...
- Cardiocarpus.
These plants were
thought to live in swamps. True
coniferous trees (
Walchia, of the
order Voltziales)
appear later in the Carboniferous, and preferred...
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Fossilised Walchia and Utrechtia, two
voltzialean pines from
which modern conifers evolved...
- in-situ tree-trunks of
Walchia. Four-footed,
tetrapod animal fossil trackways are also
found in the
fossil rich rocks.
Walchia Mistaken Point,
older fossils...
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Cordaitanthus May be progymnosperm: leaves:
Noeggerathia Conifer leaves:
Walchia Seeds: Carpolithus, Cornucarpus,
Samaropsis Palaeontologists have described...
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divided into two
informal groups, the
primitive "walchian conifers" like
Walchia,
where the
ovuliferous cone is
composed of
radial shoots and the more advanced...
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yield the most
fossil trackways. The
Walchia forest of Brule, Nova
Scotia has an
example of an in situ
Walchia forest, and
tetrapod trackways that extended...
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plants were
thought to live in
swamps and mangroves. True
coniferous trees (
Walchia, of the
order Voltziales)
appear later in the Carboniferous, and preferred...
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skills and equipment. List of
national monuments of the
United States Walchia Fossil trackways in the
United States Organ Mountains–Desert
Peaks National...
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these communities. The
infrequent paleoflora (conifers, seed ferns, and
Walchia)
found in
these areas are all
species known to be
adapted to xerophytic...
