Definition of Peltasperm. Meaning of Peltasperm. Synonyms of Peltasperm

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

Definition of Peltasperm

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Meaning of Peltasperm from wikipedia

- genus Pachydermophyllum may also have affinities to the peltasperms. The morphology of peltasperm leaves is highly variable, ranging from dissected pinnate...
- highly distinct reproductive structures with similarities to those of peltasperm and corystosperm seed ferns, has been suggested to be a member of Ginkgoales...
- stem-group angiosperm. However, a recent reinvestigation suggests it is a peltasperm (a type of "seed fern") that convergently evolved angiosperm-like veins...
- fragments A possible peltasperm D. lunensis Ischigualasto Provincial Park (San Juan Province) Frond fragments A possible peltasperm Dicroidium D. argenteum...
- Peltasperm fronds Uralophyllum U. magnifolium Peltasperm fronds U. petiolatum Peltasperm fronds U. radczenkoi Peltasperm fronds U. ramosum Peltasperm...
- sites are dominated by walchian conifers, Taeniopteris, and "comioid" peltasperms (Auritifolia). Others have a high proportion of woody gigantopterids...
- genus Permophyllocladus and problems of the evolutionary morphology of peltasperms". Paleontological Journal. 41 (2): 198–206. doi:10.1134/S0031030107020104...
- species to Dicroidium. Lepidopteris L. stormbergensis San Juan Leaves of a peltasperm "seed fern". Michelilloa M. waltonii San Juan Silicified stem. A cycad...
- s****lines. Autunia A. cf. conferta Geraldine, Coprolite Foliage of a peltasperm "seed fern", previously considered a species of Callipteris. Abundant...
- of Umaltolepis has been noted to be similar to those of some extinct Peltasperms and Umkomasiales, while leaves and the attachment of the leaves to the...