Geoscience Reference
In-Depth Information
Pseudosporochnus
is the best known
cladoxylopsid foliage, and this genus has
been found at Riverside Quarry. The
large stumps described by Goldring
(1924) as
Eospermatopteris
Riverside Quarry (Berry and Fairon-
Demaret, 2001).
Animals
Eurypterids
A few patches of cuticle and commoner
fragments with a striking resemblance to
the gill tracts of
Eurypterus
tetragonophthalmus
, described by Wills
(1965), have been found in the macerate
from Brown Mountain, as well as
some
are also
cladoxylopsid.
Other plants
Ibyka
, a plant probably intermediate
between the lycopsids and progymno-
sperms, possibly ancestors of horsetails
(Skog and Banks, 1973;
94
) and
Prosseria
(Banks, 1966) are both known from
characteristic
leg
segments
(podomeres,
95
).
94
94 The modern horsetail
Equisetumgrowing in a damp
situation. Height about 60 cm
2 ft.
95
95 Possible tip of eurypterid
leg AMNH. Length 0.65 mm
0.03 in.
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