- ferns. Originally,
Psaronius was a name for the
petrified stems, but
today the
genus is used for the
entire tree fern.
Psaronius tree fern
fossils are...
- ****soniaceae (specifically
Psaronius and Tietea) and
arthropitys Petrified forests of ****soniaceae (specifically
Psaronius and
Tietea singularis) and...
-
singularis stem
transverse sections have the same
basic structure as
Psaronius, but are
composed of
central vascular bundles having smaller, O- and C-shaped...
- I. This fern
group has a long
fossil history with many
extinct taxa (
Psaronius, Asterotheca, Scolecopteris, Eoangiopteris, Qasimia, Marantoidea, Danaeites...
-
Pecopteris leaves and
fronds are ****ociated with the
marattialean tree fern
Psaronius. However, Pecopteris-type
foliage also is
borne on
several filicalean...
-
fossil epiphytic ferns found on the
stems of the
Palaeozoic tree-fern
Psaronius. Proc. 18th Ind. Sci. Cong. Nagpur, p. 270. 1931.
Materials for a monograph...
- for
Asterotheca include:
Pecopteris arborescens -
compression foliage Psaronius -
trunk Scolecopteris -
permineralized foliage True
ferns (Filicales)...
- The
trunk of
early tree fern
Psaronius,
showing internal structure. The top of the
plant would have been to the left of the image...
-
Subgenus Neolecteria Alexander, 1934 L.
bipunctata Edwards, 1926
Subgenus Psaronius Enderlein, 1912 L.
abnormis Alexander, 1914 L.
brevisector Alexander,...
-
candolleana Geraldine P.
hemitelioides Geraldine,
Coprolite P.
unita Geraldine Psaronius P. sp. Geraldine,
Loftin Stems and
roots of a
marattialean tree fern,...
