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Re : Re: Defending grades (Was: Re: Archaeopteryx (rant))



Mickay Mortimer wrote :
<snip>
|--Amphibia
`--+--Synapsida
  |  `--+==pelycosaurs
  |     `--Mammalia
  `--Reptilia
     `--+?-Testudines
        `--+--+--Squamata
           |  `--Sphenodon
           `--+--Crocodilia
              `--Aves
<snip>
Shouldn't it be :
-Early tetrapods (all forms)
+-Amphibia (Lissamphibia)
|
+-Amniota
`--+--Synapsida
  |  `--+==pelycosaurs
  |     `--Mammalia
  `--Reptilia
     `--+?-Testudines
        `--+--+--Squamata
           |  `--Sphenodon
           `--+--Crocodilia
              `--Aves
(I'm not skillfull at cladograms)

Cheers,
Jean-Michel