... diplosaccus, Sahnites sp., Tiwariasporis simplex), Peltaspermales (2 taxa i.e. Platysaccus plicatus, Primuspollenites), cordaitales (5 taxa i.e. Parasaccites obscures, Parasaccites desicorpus, Plicatipollenites gondwanensis, Plicatipollenites indicus, Plicatipollenites sp.), filicales (1 taxa i.e...

... of plants (Cycadales, Ginkgoales, Bennettitales and Peltaspermales; Mander et al ., 2010 ). Additionally, detailed investigations of plant macrofossils (mostly leaves) at a Tr–J boundary section at Astartekløft in East Greenland have revealed that four cycad leaf genera ( Doratophyllum , Ctenis...

... assemblages through the sequence. These variations probably reflect a warming trend which followed the end of glacial conditions and the increasing diversity of plant communities; the first appearance of the Glossopteridales–Peltaspermales group with Protohaploxypinus, Pteruchipollenites...

...); (2) bisaccate pollen (monolete, trilete, and alete forms, attributed to a wide range of taxonomic groups, like Coniferales, Voltziales, Ginkgoales, Caytoniales, and Pelta-spermales); (3) Ephedripites (Peltaspermales and Gnetales); and (4) the only spore group, D. nejburgii (Pleuromeiales...

.... Protohaploxypinus spp. Striatopodocarpites spp. Colpate Cycadopites spp. Polyplicate Praecolpatites spp. Taeniate monosaccate Striomonosaccites spp. Conifer (Voltziales1,2); seed fern (Peltaspermales3,4, Umkomasiales5,6) Seed fern (§Peltaspermales, §Umkomasiales) Seed fern (Umkomasiales6) Seed fern (?Caytoniales7...

... Pterophyllum astartense , qui semble indiquer un climat plus aride que celui proposé précédemment. La présence de Lepidopteris ottonis positionne la flore dans la zone à Lepidopteris du Trias supérieur, ce qui indiquerait un âge norien. [Traduit par la Rédaction] Order Peltaspermales Thomas...

... Associated with Peltaspermales and conifers Herngreen (2005) , Kustatscher et al. (2010) Striate saccate spp. Unknown, possible pteridosperm (seed fern)? cf. Sulcatisporites sp. Pteridosperm (seed fern) Kustatscher et al. (2010) Alisporites spp. Pteridosperm (seed fern...

... ) and Peltaspermales ( Poort and Kerp, 1990 ). It is possible that within these refugia, wildfires occurred even in the Early Triassic, but the resulting charcoal was either not transported into the areas of sedimentation or charcoal transported into these areas has not been preserved in these sediments due...

... 0.00 0.16 0.00 0.00 0.07 0.00 0.09 0.47 0.14 0.35 0.00 0.70 0.00 0.00 0.11 0.40 0.00 Schopfipollenites ellipsoides 0.00 0.16 0.00 0.00 0.07 0.00 0.09 0.47 0.14 0.35 0.00 0.70 0.00 0.00 0.11 0.40 0.00 Peltaspermales 0.00...

.... Some studies have implicated that R. tuberculatus is an aberrant palynomorph produced by the Peltaspermales seed plant Lepidopteris ottonis (Vajda et al. 2023 ; Vajda et al. 2024 ), although uncertainties remain (Zavialova, 2024 ). If R. tuberculatus is indeed an aberrant palynofloral...

... Genus Cycadopites (Wodehouse, Wilson & Webster) Herbst 1965 Cycadopites follicularis Wodehouse ex Wilson & Webster 1946. Ginkgophyta, Cycadophyta (Cycadales, Benettitales). Cycadopites- like pollen was also obtained from Pentoxylaceae and from Peltaspermales (see Balme, 1995...

... and cordaites became less. (2) Striatiti-bisaccate pollen taxa, Protohaploxypinus , Striatopodocarpites , Vittatina , and Costapollenites started to occur. Most of these pollen taxa are arid climate indicators and belong to the Pteridospermae (Peltaspermales), having analogies with pollen of Ephedra...

... in the assemblage with less well-preserved forms. Jugasporites (one specimen) conifers (probably Ullmanniaceae; genus unknown) forms are morphologically similar. Multitaeniate pollen Pteridosperms (Peltaspermales; family and genus unknown) identified form-genera include Lunatisporites and Protohaploxypinus...

... Coniferales   Platysaccus radialis   ~ Balme, 1995 Potonieisporites novicus Coniferales ~ Balme, 1995 ; Taylor et al., 2009 Alisporites potoniei Peltaspermales or Umkomasiales     Podocarp and voltzian conifers ~ Balme, 1995 Protohaploxypinus limpidus Glossopteridales...

... or Mesozoic time of greatest diversity (B, C). “Ferns” includes Filicales, Marattiales, Ophioglossales, and Zygopteridales. “Paleozoic pteridosperms” includes Lyginopteridales, Medullosales, and Callistophytales. “Mesozoic pteridosperms” includes Peltaspermales, Corystospermales, and Caytoniales ...

...) Governance of Glossopteridales (<60%) followed by Coniferales (21.5%), Cordaites (14%) along with few Peltaspermales (2%) Dense forest (but not so dense as compared to Barakar times), small plants growing underneath big tree, upland vegetation, with small lakes, ponds. Marshy, dense forest...

...) , the order Ginkgoales consists of six families and 19 genera. Ginkgoales first appeared in the Permian and achieved maximum diversity during the Jurassic and Early Cretaceous. Its most plausible ancestral group is the pteridosperms (“seed ferns”) ( Thomas and Spicer 1987 ), and especially the Peltaspermales...