[Annelida] Alert - Annelid molecular phylogeny

Geoff Read via annelida%40net.bio.net (by g.read from niwa.co.nz)
Wed Apr 4 17:29:11 EST 2007


Regarding
> Rousset, V., Pleijel, F., Rouse, G.W., Erseus, C. & Siddall, M.E. (2007) 
> A molecular phylogeny of annelids. Cladistics, 23(1), 41-63.

[Abstract] ... taxa such as Phyllodocida, Cirratuliformia, Sabellida and
Scolecida are scattered over the trees. ...

I am not an expert in these matters, but when a Laonice appears among
the Serpulids, a Magelona with some 'Eunicida', Goniada with
Flabelligeridae, Chaetopteridae with Amphinomidae, and taxa from other
Phyla (molluscs, nemerteans) deep in the annelids, there seem to be too
many artefactual placements present which are unrelated to evolutionary
history. The authors acknowledge this more than once and sometimes
suggest possible explanations. Excluding some of the outgroups didn't
change the picture much. Nevertheless very interesting. The
Travisia story (p56) continues to intrigue. Thanks guys.

(There seems to be some text missing or transposed at the start of p57?)

Geoff
-- 
   Geoff Read <g.read from niwa.co.nz>
    http://www.annelida.net/
    http://www.niwascience.co.nz/ncabb/



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