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Nereis diversicolor or Hediste diversicolor

Kristian Fauchald Fauchald.Kristian at NMNH.SI.EDU
Fri Oct 12 15:47:02 EST 2001

Sorry, but that argument does not work:  It requires a comprehensive 
analysis to identify the number of monophyletic genera within the 
Nereididae.  We have had a couple of such analyses already and they 
seem to recognize Hediste as valid.  

Kristian Fauchald

>>> Roger Bamber <rnb at nhm.ac.uk> 10/10/01 04:57PM >>>

> To quote from Chambers S J & Garwood P R, 1992 (Polychaetes from
> Scottish Waters, Part 3. Family Nereidae. National Museums of Scotland,
> 65pp.), "Hediste is separated from other genera [of Nereidae] with
> conical paragnaths by the presence of simple chaetae (or fused
> falcigers) in posterior neuropodia. However, such simple chaetae occur
> in isolated species in various genera throughout the Nereinae, and
> their phylogenetic significance is, therefore, unclear. The genus
> Hediste is not, therefore, considered valid."  

> Absolutely right.

> Roger

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