Flora Library
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carboniferous period host:home.manhattan.edu
Listing 1 - 4 from 4 for carboniferous period
carboniferous period seed ferns giant horsetails extinct forms order possesses living and extinct forms order lycopodiales continue geological time map club mosses
Division Lycophyta
... sporangia which contain the spores are associated with fertile leaves known as sporophylls. During the Carboniferous Period of geological time this group was represented by some of the largest and most numerous ...
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Division Pteridospermophyta
Division Pteridospermophyta Division PteridospermophytaThe seed ferns were not really ferns at all, but primitive gymnosperms. Their fossilized remains are found frequently in sediments from the Carboniferous period. Their bizarre appearance resembles that of ferns. They were the size of shrubs and small trees. Return to Main Menu Fossil Plants
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Geological Time Map
Geological Time Map Paleozoic Era Carboniferous Period 350 million years agoThe great coal age:giant horsetails(Calamites), relatives of the club mosses (Lepidodendron), and the seed ferns (Cycadofilicales). Continue geological time map
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Geological Time Map
Geological Time Map Paleozoic Era Permian Period 275 million years ago A colder,drier period than the Carboniferous: early conifers, seed ferns, end of the era of the giant horsetails (Calamitales). Continue geological time map
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