Present-day geographic and phylogenetic patterns often reflect the geological and climatic
history of the planet. Neontological distribution data are often sufficient to unravel a lineage's …

An unusual tree fern trapped in mid-Cretaceous Myanmar amber is described as
Thyrsopteris cretacea sp. nov.(Thyrsopteridaceae). The fossil most resembles T. elegans, a …

New specimens of the tree fern Tempskya are described from the Mulichinco Formation
(Valanginian), Neuquén Basin, Argentina. Tempskya is a genus for permineralized false fern …

A new genus and species of Cretaceous Cyatheacean tree fern, Heilongjiangcaulis
keshanensis gen. et sp. nov., is erected for several permineralized stems collected at the …

A part of the compressed tree fern axis with leaf and adventitious root scars in unusual
arrangement from Plio–Pleistocene sediments of Arunachal Pradesh, India is described as …

Abstract The Albian Alexander Island macrofossil flora from the Antarctic Peninsula
preserves a diverse community of liverworts (Marchantiophyta), ferns (Polypodiopsida) …

Two new genera and species of permineralized tree ferns, Natalipteris wildei and
Kwazulupteris schaarschmidtii, are defined and described in detail. Natalipteris wildei is a …

Marattiaceous ferns are conspicuous fossil element in upper Paleozoic and lower Mesozoic
deposits, but become rarer to almost absent in Cretaceous to Holocene deposits. In this …

Present-day geographic and phylogentic patterns often reflect the Gondwana–Laurasia
separation and subsequent history of continental drift. However, some lineages show non …

松辽盆地是我国白垩系分布最广, 厚度最大, 发育最全的陆相沉积盆地. 孢粉分析发现桫椤孢在松
辽盆地白垩系中比较常见. 但由于桫椤孢与桫椤科或者蚌壳蕨科具有亲缘关系 …