Fig. 5 in Evidence of external gametophores in puzzling Late Triassic-Early Jurassic dasycladalean green algae
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Fig. 5. Scheme of mineralization in dasycladalean alga Chinianella ellenbergeri (Lebouché and Lemoine in Granier and Deloffre, 1994) Granier, Masse and Berthou, 1994, emend. nov. A. Axial section, lowest whorl is weakly calcified. Trace of transverse sections is indicated with dashed lines. B. Transverse section at whorl level. C. Transverse section through the interverticillar space. The interverticillar empty spaces merge laterally (annular channel) and are connected between whorls (vertical channels). A central pore sometimes leaves in contact the interverticillar void and the central cavity, either shifted downwards (white arrow) or upward (black arrow).
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Barattolo, Filippo创建时间：
2024-06-21
