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Psilophytopsida is a now
obsolete class containing one order, Psilophytales,
which was
previously used to
classify a
number of
extinct plants which are...
-
terminal eusporangia and a lack of roots. Unfortunately, no
fossils of
psilophytes are
known to exist. A
careful study of the
morphology and
anatomy suggests...
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class 9.
Eremophytes (of
formations on
desert and steppe).
class 10.
Psilophytes (of
formations on savannah).
class 11.
Sclerophyllous formations (bush...
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fossil site at its end. In
addition to
fossil fishes,
fossil lycopod and
psilophyte plant remains,
including Haplostigma lineare, have been
found at both...
- Teichert, Curt; Schopf,
James M. (1958). "A
Middle or
Lower Devonian Psilophyte Flora from
Central Arizona and its
Paleogeographic Significance". Journal...
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Subclass 2.
Andreaeobrya Subclass 3.
Eubrya class 1.
Psilophytinae (
psilophytes)
Order 1.
Psilophytales Family 1.
Rhyniaceae Family 2. Psilophytaceae...
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cited in Cai, Dou &
Edwards 1993 Senkevich, M.S. (1978), "New
Devonian psilophytes from Kazakhstan", Ezheg. Vses. Paleontol.
Obshchestva (in Russian), 21:...
