-
million years ago.
There is a well-known
fossil member of the Marsileales,
Hydropteris (incertae sedis). In the
molecular phylogenetic classification of Smith...
-
aquatic angiosperm Trapago angulata, the
amphibious heterosporous fern
Hydropteris pinnata, rhizomes, and
taxodiaceous conifers. The
Horseshoe Canyon Formation...
- analysis, as well as by the
discovery of an
intermediate fossil named Hydropteris. In general, the
Salviniaceae and
Azollaceae have a much
better fossil...
- Humulus? aff.
Humulus sp. May be
related to the
extant genus Humulus.
Hydropteris H.
pinnata Floating aquatic fern
Limnobiophyllum L.
scutatum Floating...
- 158(1): 83-94, Rothwell, G. W.; Stockey, R. A. (1994). "The Role of
Hydropteris pinnata gen. et. sp. nov. In
Reconstructing the
cladistics of Heterosporous...
-
aquatic angiosperm Trapago angulata, the
amphibious heterosporous fern
Hydropteris pinnata, rhizomes, and
taxodiaceous conifers. The
paleofauna of the Horseshoe...
- †Hummelichelys †Hummelichelys
foveatus †Humulus †Humulus HC243 –
informal †
Hydropteris †
Hydropteris pinnata †Hypoxytoma †Hypoxytoma
nebrascana †Inoceramus – tentative...
- †Hummelichelys †Hummelichelys
foveatus †Humulus †Humulus HC243 –
informal †
Hydropteris †
Hydropteris pinnata †Hypoxytoma †Hypoxytoma
nebrascana Contents A B C D E F...
