Re: Revised Ornithischian Classification

["Jaime A. Headden" <qilongia@yahoo.com>]

Ken Kinman (kinman@hotmail.com) wrote:

<Constructive criticism is welcome.>

ORNITHISCHIA
  1  plesion Pisanosaurus
  2  Lesothosaurus
  3  plesion Jeholosaurus
  4  1  plesion Scutellosaurus
     2  plesion Echinodon
     3  1  plesion Emausaurus
        2  Scelidosauridae
        3  ?  plesion Liaoningosaurus
           1  plesion Minmi
           2  Ankylosauridae
        4  1  plesion Huayangosaurus
           2  plesion Dacentrurus
           3  Stegosauridae
  5  Thescelosaurus
  6  Agilisaurus
  7  plesion Bugenasaura
  8  1  Heterodontosauridae
     2  plesion Stenopelyx
     3  1  Goyocephale
        2  Homalocephale
        3  Pachycephalosauridae
     4  plesion Chaoyangsaurus
     5  1  Psittacosauridae
        2  Leptoceratopsidae
        3  Protoceratopsidae
        4  Ceratopsidae9  A  plesion "Y." multidens
     B  1  Othnielia
        2  Drinker
     C  1  Zephyrosaurus
        2  Orodromeus
        ?  Laeallynasaura
     D  Hypsilophodon
     E  plesion Yandusaurus
  10  A  1  Parksosaurus
         2  Gasparinisaura
      B  1  Rhabdodon
         2  Tenontosaurus
      ?  Muttaburrasaurus
  11  1  Dryosauridae
      2  Camptosauridae
      3  Iguanodontidae
      4  Hadrosauridae

  Here's my take on the phylogeny, revising some positions to reflect
recent findings based on the literature, as well as analyses
performed with Pete Buchholz and Mickey Mortimer (posted on the
list). I've also added and placed some taxa to further clarify some
relationships ... such as not making *Drinker* a synonym of
*Othneilia* (they _are_ different).


=====
Jaime A. Headden

  Aaaaaaaaaaaaaaaaaaaahhhhhhhhhhhhhhhhhhr-gen-ti-na
  Where the Wind Comes Sweeping Down the Pampas!!!!

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