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Eusauropoda


Eusauropoda
|-Euhelopidae
|  |-Datousaurus bashanensis
|  |-Shunosaurus lii
|  |-Shunosaurus ziliujingensis
|  |-?Klamelisaurus gobiensis
|  |-?Hudiesaurus sinojapanorum
|  |-?Nurosaurus qaganensis
|  |-?Tienshanosaurus chitalensis
|     |
|     |-Euhelopinae
|        |-Mamenchisaurus constructus
|        |-Mamenchisaurus anyuensis
|        |-Mamenchisaurus changshouensis
|        |-Mamenchisaurus fuxiensis
|        |-Mamenchisaurus hochuanensis
|        |-Mamenchisaurus sinocanadorum
|        |-Mamenchisaurus youngi
|        |-Mamenchisaurus gongjianensis
|        |-Mamenchisaurus guangyuanensis
|        |-Mamenchisaurus jingyangensis
|        |-Mamenchisaurus yaochinensis
|        |-Omeisaurus jungshiensis
|        |-Omeisaurus luoquanensis
|        |-Omeisaurus tianfuensis
|        |-Omeisaurus zigongensis
|        |-Euhelopus zdanskyi
|
|-Amygdalodon patagonicus
   |
   |-?Volkheimeria chubutensis
      |
      |-?Patagosaurus fariasi
         |
         |-?Cetiosaurus medius
         |-?Cetiosaurus oxonensis
         |-?Cetiosaurus phillipsi
         |-?Cetiosaurus mogrebiensis
            |
            |-Jobaria tiguidensis
               |
               |-Neosauropoda
                  |-?Agustinidae
                  |  |-Agustinia ligabuei
                  |
                  |-Haplocanthosaurus priscus
                  |-Haplocanthosaurus delfsi
                  |-?Haplocanthosaurus minimus
                     |
                     |-Diplodocimorpha
                     |-Macronaria

In this "group" the Sauropods were mostly bulky, and relatively short necked.
The euhelopids were mainly big bodied sauropods, with very long necks
(except for Datousaurus and Shunosaurus, which were rather short necked).
The necks could grow half the
body size, and a neck from Mamenchisaurus has been measured to be 14 metres, of
the animals total lenght of 22 metres.

While "cetiosaurids" are known to be heavy, short and powerfully built.

 

 

 
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Copyright 2001 © Øyvind M. Padron, all rights reserved