Page 47 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)
P. 47

Paripteris leaf


                                                        Paripteris seed









                                                                                  Shed leaves left scars that
                                                Ferns like Paripteris               formed a honeycomblike
                                                were some of the first                 pattern on the bark.
                                               plants to evolve seeds.


                                                    This primitive
                                                   plant resembled
                                                       a tree fern.
                                 Glossopteris
                                 once formed
                              lush forests
                              on the continent of
                               Antarctica.                                                            Sigillaria

                                                                                         Wattieza



                        Glossopteris means
                     “tongue fern,” describing
                             its leaf shape.
                                                                                         The fossilized
                                                                                        leaves were very
                                                                                           like modern
                                                                                           fern fronds.
















                                                                                         Neuropteris leaves
              Glossopteris

               as Sigillaria and Lepidodendron,                  spore-bearing ferns and horsetails, but others,
               looked similar to modern trees but were           including Alethopteris and Paripteris, bore
               clubmosses—relatives of mosses and                true seeds. By the late Carboniferous, plants
               ferns. These could grow to great heights—         like Walchia had evolved—the first of the
               Lepidodendron towered 130 ft (40 m) or             pinelike conifer trees that later became
                more. Many plants resembled modern                an important food source for dinosaurs.             45
                                                                                                                      45




   US_044-045_Towering_Trees.indd   45                                                                           10/04/18   3:33 PM
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