Tetraxylopteris Schmidtii: The Fertile Branching System |
Common terms and phrases
Aneurophytales appearance appendages arranged arrow attached axes Banks bearing Beck body borne cells consists CORNE CORNELL CORNELL LIBRARY CORNELL CORNELL UNIVERSITY CORNELL FOUNDED CORNELL UNIV CORNELL UNIVERSITY CORNELL decussate described Devonian diameter dichotomizes distal EZRA CORNELL fertile branching system Figure fossil FOUNDED CORNELL FOUNDED LIBRARY FOUNDED UNIVERSITY FOUNDER fronds genera genus Hueber indicate Ithaca IVERSITY Kräusel and Weyland lateral Leclercq LIBRA LIBRARY CORNELL LIBRARY CORNELL UNIVERSITY LIBRARY LIBRARY LIBRARY UNIVERSITY lower main axis masses material mean Middle morphology node Note obscured obtained opposite order branches OUNDED pattern pinnate plant portion present preservation Protopteridium protostele pyrite Richardson secondary showing side similar slide species specimen Sphenoxylon sporangia sporangial complex sporangium spores of Tetraxylopteris stem terminal tetrads Textfig Thesis third order branches tracheids transfer UNIV LIBRARY UNIVE CORNELL UNIVERSIT UNIVERSITY CORNELL CORNELL UNIVERSITY LIBRARY UNIVERSITY UNIVERSITY VERSITY walls York