The validity of the separation of the genera Hediste, Nereis and Neanthes
(and several others sometimes considered subgenera of Nereis sensu
stricto) was demonstrated cladistically by Kirk Fitzhugh, 1987.
Phylogenetic relationships within the nereididae (Polychaeta) with
implications at the subfamily level. Biol. Soc. Wash. Bulletin 7:174-183.
This is the Pettibone symposium volume.
Of course, there are those who don't accept the validity of cladistic
relationships...;-} but from my own studies, these genera are really
distinct, especially when you look at the structure of the parapodial
lamellae.
Judith A. Fournier
<110275.1004 at compuserve.com>
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