- S2CID 27887887. Rothwell, G. W.; Scheckler, S. E.; Gillespie, W. H. (1989). "
Elkinsia gen. nov., a Late
Devonian gymnosperm with cu****te ovules". Botanical...
-
substantially by the Famennian, the last
stage of the Devonian.
Examples include Elkinsia, Xenotheca, Archaeo****, "Hydra****", Aglo****, and Warsteinia. Some...
- to be by
enclosure of a
megasporangium by
sterile branches (telomes).
Elkinsia, a
preovulate taxon, has a
lobed structure fused to the
lower third of...
- ISSN 1058-5893.
Rothwell G. W.;
Scheckler S. E.;
Gillespie W. H. (1989). "
Elkinsia gen. nov., a Late
Devonian gymnosperm with cu****te ovules". Botanical...
- E.
polymorpha may
refer to:
Elkinsia polymorpha, a seed fern
Emmonsia polymorpha, a
tabulate coral Eudistylia polymorpha, a
polychaete worm This disambiguation...
- of West Virginia. The
seeds are
preserved immature ovules of the
plant Elkinsia polymorpha. The Book of
Genesis in the Old
Testament begins with an explanation...
- wood and had
formed forests of tall trees. Also by the late Devonian,
Elkinsia, an
early seed fern, had
evolved seeds.
Evolutionary innovation continued...
- †Lyginopteridopsida Order: †Lyginopteridales Family: †Moresnetiaceae
Genera Elkinsia ovulate cu****
Calathospermum ovulate cu****
Stamnostoma ovulate cu****...
- 193-247. Rothwell, G. W., Scheckler, S. E. & Gillespie, W. H. (1989). "
Elkinsia gen. nov., a Late
Devonian gymnosperm with cu****te ovules." Botanical...
- †Edmondia
equilateralis †Edmondia
equilateralus †Edmondia
suborbiculata †
Elkinsia †
Elkinsia polymorpha †Endelocrinus †Endelocrinus
kieri †Equisetides †Equisetides...
