Definition of Pteridosperms. Meaning of Pteridosperms. Synonyms of Pteridosperms

Here you will find one or more explanations in English for the word Pteridosperms. Also in the bottom left of the page several parts of wikipedia pages related to the word Pteridosperms and, of course, Pteridosperms synonyms and on the right images related to the word Pteridosperms.

Definition of Pteridosperms

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Meaning of Pteridosperms from wikipedia

- clear that the "Age of Pteridosperms" was perhaps a better description. During the 20th century the concept of pteridosperms was expanded to include...
- extinct seed plant groups are recognised including those considered pteridosperms/seed ferns, as well other groups like the Bennettitales. By far the...
- (PDF). Strelitzia. 20: 1–280. Hilton, J. & Bateman, R. M. (2006), "Pteridosperms are the backbone of seed-plant phylogeny", Journal of the Torrey Botanical...
- cold-adapted pteridosperms (early seed plants) of Gondwana were blocked from spreading throughout Pangaea by the equatorial climate, and northern pteridosperms ended...
- described as pteridosperms (a polyphyletic group sometimes referred to as "seed ferns") and, thus, the group on which the concept of pteridosperms was first...
- were: Sigillaria Lepidodendron Calamites pteridosperms Genera recorded in Great Britain include: Pteridosperm leaves: Alethopteris, Callipteridium, Cyclopteris...
- during the Middle Tri****ic when plant groups like horsetails, ferns, pteridosperms, cycads, ginkgos and conifers resurfaced and diversified quickly. Lycophytes...
- During the Tri****ic period, Antarctica was dominated by seed ferns (pteridosperms) belonging to the genus Dicroidium, which grew as trees. Other ****ociated...
- well as the extinct Bennettitales. Other groups of plants included pteridosperms or "seed ferns", a collective term that refers to disparate groups of...
- †Pteridosperms* (seed ferns) and other extinct seed plant groups †Bennettitales †Calamopityales †Callistophytales †Caytoniales †Cordaitales †Corysto****les...