Re: Phylogenetic bracket - was: Re: Land of the Lost review-spoiler?

[John Conway <john.a.conway@gmail.com>]

If you flip the branches of the top clade in your phylogenetic tree 
there, the bracketing can be made more clear:

 +lepidos
 |
 |-+-dinos
   |
   |-crocs

Cheers,
John

Martin Baeker wrote:
> On Fri, 5 Jun 2009, Andreas Johansson wrote:
>
> > Lepidosaurs and crocodiles _do_ bracket dinosaurs; the phylogeny is
> > (lepidosaurs(crocs, dinos)).
>
> HELP! It seems I completely misunderstood what an EPB is - I always
> thought you need at least one descendant (like birds for dinos) to
> bracket something.
>
> Here we have
>
> +lepidos
> |
> |-+-crocs
>   |
>   |-dinos
>
> How does this *bracket* dinos?
>
> Would be grateful for some explanation..
>  
> Martin.
>
>
>                    Priv.-Doz. Dr. Martin BÃker
>                    Institut fÃr Werkstoffe
>                    Technische UniversitÃt Braunschweig
>                    Langer Kamp 8
>                    38106 Braunschweig
>                    Germany
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--
Palaeontography: http://palaeo.jconway.co.uk