[Annelida] Lysaretidae family doubts

ROBERTO CARLOS DOMINGUES MARTINS via annelida%40net.bio.net (by roberto from ua.pt)
Tue Apr 6 11:43:31 EST 2010


Hi!

I'm doing a PhD on characterization of soft benthic 
habitats from Portuguese Continental Shelf.
I'm with a lot of doubts in Lysaretidae specimens's 
identification.
I have many books (Fauchald, Campoy, Fauvel, ...) but 
unfortunately they haven't specific diagnosis for Lysarete 
genus.
One of my samples has 5 individuals with two distinct 
peristomial segments, three antennae, branchiae pectinate 
in the anterior region (8th -14th setiger) and multiple 
setae types (pectinate, aciculae, limbate simple and 
compound, compound bidentate hooded setae). As far as the 
maxilla 1 is concerned I can't explain you, because the 
individuals are so small I can't open them! Sorry. :(
I'm very confused between the genus Halla or Lysarete!
So, I hope somebody can help me as soon as possible, with 
tips or articles!!! Please!!!!!

Sincerely yours,
Roberto Martins


********************************************************
Roberto Carlos Domingues Martins
PhD student
Dep. of Biology/CESAM
Campus de Santiago - Aveiro
3810-193 Aveiro
PORTUGAL

e-mail: roberto from ua.pt
site: www.cesam.ua.pt/roberto



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