page_title: Cylostrobus
hierarchical_section_title: Cylostrobus
caption_attribution_description: English: Leafy shoot apex of Pleuromeia longicaulis, the stem of Cylostrobus sydneyensis from the Early Triassic Newport Formation near Avalon, NSW, Australia
context_page_description: Cylostrobus is genus of Lycopsida most like Pleuromeia, but with very compact and round cones. It is known from the Early Triassic of Australia, coincident with a marked greenhouse spike at the end of the Early Triassic. The genus Cylostrobus was erected for the compact cone only, in the paleobotanical system of form genera, but these small plants are well enough understood that the name Cylostrobus sydneyensis is used for the whole plant, rather than the old name Pleuromeia longicaulis. Other species of Pleuromeia have attached cones that are less compact and produce different spores.
context_section_description: Cylostrobus is genus of Lycopsida most like Pleuromeia, but with very compact and round cones. It is known from the Early Triassic of Australia, coincident with a marked greenhouse spike at the end of the Early Triassic. The genus Cylostrobus was erected for the compact cone only, in the paleobotanical system of form genera, but these small plants are well enough understood that the name Cylostrobus sydneyensis is used for the whole plant, rather than the old name Pleuromeia longicaulis. Other species of Pleuromeia have attached cones that are less compact and produce different spores.
caption: Leafy apex of Cylostrobus sydneyensis from the Early Triassic Newport Formation near Avalon, NSW
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