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ginkgoales

ginkgoales Sentence Examples

  • These six groups were the dominant types throughout the period, but during Upper Carboniferous time three other groups arose, the Coniferales, the Cycadophyta, and the Ginkgoales (of which Ginkgo biloba is the only modern representative).

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  • Ginkgoales (recent and extinct).

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  • Ginkgoales.

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  • During the Triassic and Jurassic periods the genus Baiera - no doubt a representative of the Ginkgoales--was widely spread throughout Europe and in other regions; Ginkgo itself occurs abundantly in Mesozoic and Tertiary rocks, and was a common plant in the Arctic regions as elsewhere during the Jurassic and Lower Cretaceous periods.

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  • Through the succeeding ages the Ginkgoales were represented by numerous forms, which gradually became more restricted in their distribution and fewer in number during the Cretaceous and Tertiary periods, terminating at the present day in one solitary survivor.

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  • Ginkgoales; Hirase, " Etudes sur la fecondation, &c., de Ginkgo biloba," Journ.

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  • Representatives of the Ginkgoales constitute characteristic members of the later Triassic floras, and these, with other types, carry us on without any break in continuity to the Rhaetic floras of Scania, Germany, Asia, Chile, Tonkin and Honduras (Map A, VIII.), and to the Jurassic and Wealden floras of many regions in both the north and south hemispheres.

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  • The Palaeozoic types are barely represented; the arborescent Vascular Cryptogams have been replaced by Cycads, Ginkgoales and Conifers as the dominant classes, while Ferns continue to hold their own.

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  • Gl - G17, Distribution of the Ginkgoales during the Mesozoic and Tertiary Periods.

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  • G l (Trias-Tertiary); G2, G3 (Rhaetic-Jurassic); G4 (Tertiary, Sakhalin I.); Distribution of the Matonineae, Dipteiidiyake G5 (Jurassic); G6 (Jurassic and Tertiary); G7 (Jurassic); G8 (Rhaetic-Jurassic); G9 (Trias-Rhaetic); Gl0 (Rhaetic, Chile); Gll (Trias);, Ginkgoales.

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  • It has been suggested that one at least of the flowers, that originally described by Mr Carruthers from the Inferior Oolite of Yorkshire as Beania gracilis, may have been borne by a member of the Ginkgoales.

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  • In Rhaetic, Jurassic and Wealden floras, the Ginkgoales were exceedingly abundant (Map B, G i -G 17); in addition to A, Ginkgodium, Japan (Jurassic).

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  • The regions from which satisfactory examples of Ginkgoales (Baiera or Ginkgo) have been recorded are shown in Map B (G1-G17).

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  • species of Nageiopsis, abundantly represented in the Upper Jurassic beds of the Potomac area in North America, species of Pagiophyllum and other genera of Jurassic of Ginkgoales.

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  • These six groups were the dominant types throughout the period, but during Upper Carboniferous time three other groups arose, the Coniferales, the Cycadophyta, and the Ginkgoales (of which Ginkgo biloba is the only modern representative).

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  • The Cordaitales (see Palaeobotany: Palaeozoic) are represented by extinct forms only, which occupied a prominent position in the Palaeozoic period; these plants exhibit certain features in common with the living Araucarias, and others which invite a comparison with the maidenhair tree (Ginkgo biloba), the solitary survivor of another class of Gymnosperms, the Ginkgoales (see Palaeobotany: Mesozoic).

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  • Ginkgoales (recent and extinct).

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  • 6), and resemble the frond of some species of the fern Schizaea, or the fossil genus Baiera (Ginkgoales).

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  • During the Triassic and Jurassic periods the genus Baiera - no doubt a representative of the Ginkgoales--was widely spread throughout Europe and in other regions; Ginkgo itself occurs abundantly in Mesozoic and Tertiary rocks, and was a common plant in the Arctic regions as elsewhere during the Jurassic and Lower Cretaceous periods.

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  • Through the succeeding ages the Ginkgoales were represented by numerous forms, which gradually became more restricted in their distribution and fewer in number during the Cretaceous and Tertiary periods, terminating at the present day in one solitary survivor.

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  • Ginkgoales; Hirase, " Etudes sur la fecondation, &c., de Ginkgo biloba," Journ.

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  • The history of the Ginkgoales will be found in the Mesozoic section of this article (see also Gymnosperms); their nearest Palaeozoic representatives " were probably members of the Cordaitales, an extinct stock with which the Ginkgoaceae are closely connected " (Seward).

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  • Representatives of the Ginkgoales constitute characteristic members of the later Triassic floras, and these, with other types, carry us on without any break in continuity to the Rhaetic floras of Scania, Germany, Asia, Chile, Tonkin and Honduras (Map A, VIII.), and to the Jurassic and Wealden floras of many regions in both the north and south hemispheres.

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  • The Palaeozoic types are barely represented; the arborescent Vascular Cryptogams have been replaced by Cycads, Ginkgoales and Conifers as the dominant classes, while Ferns continue to hold their own.

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  • Gl - G17, Distribution of the Ginkgoales during the Mesozoic and Tertiary Periods.

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  • G l (Trias-Tertiary); G2, G3 (Rhaetic-Jurassic); G4 (Tertiary, Sakhalin I.); Distribution of the Matonineae, Dipteiidiyake G5 (Jurassic); G6 (Jurassic and Tertiary); G7 (Jurassic); G8 (Rhaetic-Jurassic); G9 (Trias-Rhaetic); Gl0 (Rhaetic, Chile); Gll (Trias);, Ginkgoales.

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  • It has been suggested that one at least of the flowers, that originally described by Mr Carruthers from the Inferior Oolite of Yorkshire as Beania gracilis, may have been borne by a member of the Ginkgoales.

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  • In Rhaetic, Jurassic and Wealden floras, the Ginkgoales were exceedingly abundant (Map B, G i -G 17); in addition to A, Ginkgodium, Japan (Jurassic).

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  • The regions from which satisfactory examples of Ginkgoales (Baiera or Ginkgo) have been recorded are shown in Map B (G1-G17).

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  • species of Nageiopsis, abundantly represented in the Upper Jurassic beds of the Potomac area in North America, species of Pagiophyllum and other genera of Jurassic of Ginkgoales.

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