[Taxacom] Animalia or Metazoa?

Stephen Thorpe s.thorpe at auckland.ac.nz
Thu Jul 23 22:03:42 CDT 2009

Yes, Curtis, I'm also a tad confused about how sponges got into  
Metazoa? Though I don't think they are paraphyletic. Maybe I just  
haven't soaked up the recent literature on sponges! I'm also somewhat  
surprised to see sponges turn up as part of a putative clade Radiata in:

Gordon, D.P. (ed.) 2009: New Zealand inventory of biodiversity. Volume  
1. Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia.  
Canterbury University Press, Christchurch, New Zealand.


Quoting Curtis Clark <jcclark-lists at earthlink.net>:

> On 2009-07-23 14:08, Stephen Thorpe wrote:
>> Should the clade (kingdom) that results from the subtraction of the
>> Protozoa from the old "Animalia" still be called Animalia, or Metazoa?
> Depends on what are included in "Protozoa". I have for decades thought
> of the Metazoa as being synonymous with the blastulates (thus excluding
> the sponges, which I guess turn out to be paraphyletic). I'd hate to see
> it substantially redefined, since it would make a lot of the older
> literature confusing.
> --
> Curtis Clark                  http://www.csupomona.edu/~jcclark/
> Director, I&IT Web Development                   +1 909 979 6371
> University Web Coordinator, Cal Poly Pomona
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