Gangamopteris sentence example

gangamopteris
  • The age of the glacial deposits is later than the Glossopteris flora and occurs early in the time of the Gangamopteris flora.
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  • These include among others, Glossopteris browniana, Gangamopteris cyclopteroides, Sigillaria Brardi, Bothrodendron Leslii, Noeggerathiopsis Hislopi.
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  • Plants constitute the chief fossils of the Ecca series; among others they include Glossopteris, Gangamopteris, Phyllotheca.
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  • In South Africa, Glossopteris, Gangamopteris and other genera, identical with those from Australia and India, are abundantly represented, and here again, as in India and South America, the plants are found in association with extensive deposits of undoubted glacial origin.
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  • To state the case in a few words: there is in South Africa, South America, Australia and India an extensive series of sediments containing Glossopteris, Gangamopteris and other genera, and including beds full of ice scratched boulders.
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  • Associated with Glossopteris occurs another fern, Gangamopteris, usually recognized by the absence of a well marked midrib, though this character does not always afford a satisfactory distinguishing feature.
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  • In view of recent discoveries which have demonstrated the Pteridosperm nature of many supposed ferns of Palaeozoic age, we must admit the possibility that the term fern as applied to Glossopteris and Gangamopteris may be incorrect.
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