Definition of Peltasperms. Meaning of Peltasperms. Synonyms of Peltasperms

- whether the broad grouping of peltasperms as a whole is monophyletic. Some authors have suggested that some peltasperms may have close affinities to corystosperms...
- highly distinct reproductive structures with similarities to those of peltasperm and corystosperm seed ferns, has been suggested to be a member of Ginkgoales...
- genus Permophyllocladus and problems of the evolutionary morphology of peltasperms". Paleontological Journal. 41 (2): 198–206. doi:10.1134/S0031030107020104...
- ("seed fern") genus of fossil leaves. It has either been aligned with the peltasperms or the corystosperms. Pachypteris is represented by hypostomatic, bipinnate...
- stem-group angiosperm. However, a recent reinvestigation suggests it is a peltasperm (a type of "seed fern") that convergently evolved angiosperm-like veins...
- Viktoras; Blake, Bascombe M.; Cecil, C. Blaine (2013). "Callipterid peltasperms of the Dunkard Group, Central Appalachian Basin". International Journal...
- 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...
- other seed plants are contentious. It has been suggested that some "peltasperms" may be closely related to corystosperms. A 2016 paper suggested that...
- fragments A possible peltasperm D. lunensis Ischigualasto Provincial Park (San Juan Province) Frond fragments A possible peltasperm Dicroidium D. argenteum...
- sites are dominated by walchian conifers, Taeniopteris, and "comioid" peltasperms (Auritifolia). Others have a high proportion of woody gigantopterids...