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10 results for “Todites”
Fig.9 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.9.Spores of Osmundacidites type, extracted from the matrix containing the holotype of Todites lobulatus sp.nov.,GIN 4846/102. A–C.Different indi − vidual spores, × 1500. D–F. Granulate sculpture of spore surface, × 3000.
Fig.6 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.6. Todites lobulatus sp.nov.Intinskian Formation, Ufimian, Upper Permian.Macromorphology and in situ spores, based on holotype GIN 4846/102. A, B.Fertile pinnule reconstruction, upper (adaxial, A) and lower (abaxial, B) view, numerous sporangia attached to lower side of the pinnule surface (B). C.Individual sporangium with thick−walled cells on the top area. D.Granulate microstructure of the spore surface. E.General view on the isolated spore. F, G.Spore mass extracted from the sporangia, note different sizes (relatively small spores 1 and 2 and big spores 3 and 4 of F) and different outlines of the spores (round spores 2 and ovoid 1, 3 and 4 of F; round spore 1, rounded subtriangular spore 2 and ovoid spore 3 of G).Scale bars: A, B, 5 mm; C, 0.1 mm; E, F, G, 50 µm; D, 5 µm.
Fig.3 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.3. Todites lobulatus sp.nov.Intinskian Formation, Ufimian, Upper Permian.Holotype GIN 4846/102. A, B.General morphology of fertile pinna, bef − ore (A) and after (B) preparation; A, × 1; B, × 4. C.Two prepared sporangia; left sporangium shows a group of thick−walled cells near the stomium (dark de − pression); × 18. D. The spore of Osmundacidites type, preserved in situ, under SEM, × 800.
Fig.8 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.8.Spores of Osmundacidites type, extracted from the matrix containing the holotype of Todites lobulatus sp.nov.,GIN 4846/102. A, B, D, E.Different individual spores; A, B, D, × 1500; E, × 750. C, F. Granulate sculpture of spore surface, × 3000.
Fig.7 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.7. Todites lobulatus sp.nov.Intinskian Formation, Ufimian, Upper Permian. In situ spores extracted from the holotype GIN 4846/102. A.Spore mass repeating the initial round form of sporangium, × 50. B.Several spores of different size and form, × 200. C.Spore with clearly seen laesura (left part of the photograph), × 200. D. Spore mass of ovoid form from relatively elongated sporangium, × 50. E. Spore mass in detail, × 200. F. Detail of D, × 100.
Fig. 2 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig. 2. Stratigraphical column of the locality studied.
Todites denticulatus
Holotype Lindley & Hutton 1834, p.103, pl.120 Seward 1900, p.10, p.137 Harris 1961, p. 78 Newman and Chatt-Ramsay 1988, p.61 under Cladotheca undans (Lindley and Hutton). Gristhorpe, North Yorkshire Colour laser scan. Farolaser arm Source: Objaverse 1.0 / Sketchfab
Fig.5 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.5. Todites lobulatus sp.nov. Intinskian Formation, Ufimian, Upper Permian.Holotype GIN 4846/102.Sporangium with open stomium and thick−walled cells located near its right side, photograph (A) and line drawing of the same sporangium portion (B). Scale bar 20 mm.
Fig.4 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig.4. Todites lobulatus sp.nov.Intinskian Formation, Ufimian, Upper Permian.Holotype GIN 4846/102.Gen − eral morphology of a fertile pinna. Scale bar 0.5 cm.
Fig. 1 in A new species of Todites (Pteridophyta) with in situ spores from the Upper Permian of Pechora Cis-Urals (Russia)
Fig. 1. Geographical position of the locality (*) studied.
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