Keith Holmes (palaeobotanist)
Part 7. Cycadophyta. Proc. Linn. Soc. NSW. 129, 113-149. 2008 - (with Anderson, H.M. and Fitness, L.A.) Stems with attached ...
Pachypteris
Pteridospermophyta und Cycadophyta. I. Cycadales. Palaeontographica Abt. B, 248: 1-85. Popa, M.E., 2000. Aspects of Romanian ...
Fertilisation
"Gymnosperm - Pinophyta and Cycadophyta , Britannica". www.britannica.com. Retrieved 2023-03-20. Johnstone, Adam (2001). Biology ...
Cycad
Classification of the Cycadophyta to the rank of family. Class Cycadopsida Brongniart 1843 Order Cycadales Persoon ex von ... Wikimedia Commons has media related to Cycadophyta. "Palm Trees, Small Palms, Cycads, Bromeliads and tropical plants". Archived ...
Aphid
They probably fed on plants like Cordaitales or Cycadophyta. With their soft bodies, aphids do not fossilize well, and the ...
Paleobiota of the Posidonia Shale
Zijlstra, G.; van Konijnenburg-van Cittert, J. H. (2019). "Proposal to conserve the name Otozamites (fossil Cycadophyta: ...
Dactyliocerassandstein Formation
... fossil Cycadophyta: Bennettitales) against Otopteris. Taxon, 68(4), 874-875. (Articles with short description, Short ...
Pollen tube
In gymnosperms like Ginkgo biloba and cycadophyta, a haustorial pollen tube forms. The tube simply soaks up nutrients from the ...
Marne di Monte Serrone
Praturlon, A. (1968). "Cycadophyta and Coniferophyta from the Lias of M. Palombo (Marsica, Central Apennines)". Geol. Romana. 7 ...
Ginkgoales
Ginkgophyta and Cycadophyta have a very ancient divergence dating to the early Carboniferous. The earliest representative of ...
Gametophyte
Cycadophyta have 3 celled pollen grains while Ginkgophyta have 4 celled pollen grains. Gnetophyta may have 2 or 3 celled pollen ... In Cycadophyta, Ginkgophyta, Coniferophyta, and some Gnetophyta, the single celled female gametophyte undergoes many cycles of ... in Cycadophyta and Ginkgophyta, the germ cell is mobile due to flagella being present and a direct tube cell path from the ...
Blackhawk Formation
Pteropsida Allantodiopsis erosa Cyathea pinnata Onoclea hebridica Osmunda hollicki Saccoloma gardneri Cycadophyta Nageiopsis sp ...
Brighstoneus
Forests on higher ground north of the floodplain consisted of Pinophyta, Ginkgophyta, Pteridophyta, Cycadophyta. Forest fires ...
Zamites
... fossil Cycadophyta: Bennettitales) with a conserved type". Taxon. 69 (5): 1122-1123. doi:10.1002/tax.12343. Paleobotany: The ...
Strobilus
Cycadophyta are typically dioecious (seed strobili and pollen strobili are produced on separate plants). The lateral organs of ...
List of cycads of South Africa
This listing contains taxa of plants in the division Cycadophyta, recorded from South Africa. Cycads /ˈsaɪkædz/ are seed plants ... Cycadophyta (cycads (42)), Lycopodiophyta (Lycophytes(45)), Marchantiophyta (liverworts (376)), Pinophyta (conifers (33)), and ...
Macrozamia concinna
It originates from a division of Cycadophyta which encompasses the complete species of cycads. M. concinna is primarily ... Cycadophyta of Australia, Least concern flora of Australia, Taxonomy articles created by Polbot). ...
Cycas orientis
... belongs to the plant family Cycadaceae, which is part of the division Cycadophyta. The species name "orientis" ...
Williamsoniaceae
... is a family within the Bennettitales, an extinct group of seed plants within the Cycadophyta subdivision. ...
Silurian-Devonian Terrestrial Revolution
True gymnosperms like ginkgos (Ginkgophyta) and cycads (Cycadophyta) would appear slightly after the Devonian in the ...
List of coniferous plants of Montana
Cycadophyta, Gnetophyta, and Ginkgophyta: characteristics of early seed plants". Canadian Journal of Botany. 80 (9): 954-961. ...
List of conifers of South Africa
Cycadophyta, Gnetophyta, and Ginkgophyta: characteristics of early seed plants". Canadian Journal of Botany. 80 (9): 954-961. ... Seed producing vascular plants of the division Cycadophyta recorded from South Africa Lists of flowering plants of South Africa ... Cycadophyta (cycads (42)), Lycopodiophyta (Lycophytes(45)), Marchantiophyta (liverworts (376)), Pinophyta (conifers (32)), and ...
Conifer
Cycadophyta, Gnetophyta, and Ginkgophyta: characteristics of early seed plants". Canadian Journal of Botany. 80 (9): 954-961. ...
Pinales
Alternative names and the approximate number of genera and species in each are; Cycadidae (Cycadophyta, cycads 10, 300) ... division Cycadophyta class Cycadae Benson,(1957) who introduced the term Pinales, divided gymnosperms into four classes; ...
Plant reproduction
The sperm of seed plants are non-motile, except for two older groups of plants, the Cycadophyta and the Ginkgophyta, which have ...
Pollen
Sperm cells of Pinophyta and Gnetophyta are without flagella, and are carried by the pollen tube, while those of Cycadophyta ...
Carboniferous
These continued to dominate throughout the period, but during late Carboniferous, several other groups, Cycadophyta (cycads), ...
Matanuska Formation
Lycopodophyta: One Species Pteridophyta: Sixty-Nine Species Ginkgophyta: Nine Species Cycadophyta: Nine Species Pinophyta: Nine ...
Tree
Large tree-like plants with lignified trunks in the Pteridophyta, Arecales, Cycadophyta and Poales such as the tree ferns, ...
Gymnosperm
The gymnosperms are subdivided into five Divisions, four of which, the Cycadophyta, Ginkgophyta, Gnetophyta, and Pinophyta ( ...