Mikko's Phylogeny Archive

Cleal & Rees, 2003

<==o †Cycadeoidales [Bennettitales] (cycadeloidit; cycadeloids)
   |?-o †Ptilophyllum Morris, 1840
   |  |-- †P. acutifolium Morris, 1840
   |  |-- †P. pectiniformis (Sternberg, 1823) Cleal & Rees, 2003
   |  |-- †P. pectinoides (Phillips) Morris
   |  `-- †P. hirsutum Thomas & Bancroft ex Harris, 1949
   |-- †Otozamites
   |-- †Zamites
   |--o †Sphenozamites (Brongniart) Miquel, 1851 emend. Wesley, 1958
   |  |-- †S. beanii (Lindley & Hutton) Miquel, 1851
   |  |-- †S. rossii De Zigno
   |  `-- †S. bellii Seward, 1904
   `--o †Williamsoniaceae
      `--o †Weltrichia Braun, 1849 emend. Harris, 1969a
         `-- †W. mirabilis Braun, 1849

Reference(s):

• Cleal, C. J. & Rees, P. M., 2003: The Middle Jurassic Flora from Stonesfield, Oxfordshire, UK.
  –Palaeontology: Vol. 46, #4, pp. 739-801
• Crane, P., 1996-1999: Spermatopsida – Seed Plants.
  –iNet: The Tree of Life: http://tolweb.org/tree/
• Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
  –McGrew-Hill Book Company