-
Crossotheca in 1911. The
frond of
Sphenopteris could be up to 20
inches (51 cm) long. In Brazil,
fossil of form
genus Sphenopteris was
located in
outcrop Morro...
- ferns"
include Pecopteris, Cyclopteris, Neuropteris, Alethopteris, and
Sphenopteris;
Megaphyton and
Caulopteris were tree ferns. The
Equisetales included...
-
emarginatum †
Sphenopteris †
Sphenopteris brongniarti †
Sphenopteris elegans †
Sphenopteris herbacea †
Sphenopteris pottsvillea †
Sphenopteris pseudocristata...
-
comparable form †
Sphenopteris elegans †
Sphenopteris flexicaulis †
Sphenopteris foliosa †
Sphenopteris formosa †
Sphenopteris furcata †
Sphenopteris goepperti –...
-
Potonie (1954) †C. höninghausi
Johnson &
Kidston (1911) [originally
Sphenopteris] †C.
hughesiana Kidston (1906) †C.
kentuekiensis Stubbefield, Taylor...
- Pterido****tophyta
include Cyclopteris, Neuropteris, Alethopteris, and
Sphenopteris. The
Equisetales included the
common giant form Calamites, with a trunk...
-
rachis of many
species of
Pecopteris and
Sphenopteris, such as P. dentata, P. Biotii, P. abbrebiata, and
Sphenopteris cremate strengthens the view now generally...
- from dry
upland forests to
moist riverside galleries. "Seed ferns" (
Sphenopteris, Autunia, Odontopteris, etc.) and
early conifers (Walchia, etc.) occupied...
-
Psaronius are
those known as Pecopteris, but some
species of
Psaronius bore
Sphenopteris foliage.
Fossil of the
croziers (or fiddleheads) of the fern
fronds have...
- Seed
ferns Genus Species Notes Images Sphenopteris S. cf. S.
germanica A seed fern. "Callipteris" C. conferta, C. flabellifora, C.
scheibei A seed fern...
