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Fwd: [Annelida] Lysaretidae family doubts

Daniel Martin Sintes via annelida%40net.bio.net (by dani from ceab.csic.es)
Wed Apr 14 01:53:08 EST 2010

Dear colleagues,

I may confirm Maria Cristina's comment. In my case I am participating in 
a project dealing with Marphysa sanguinea and I received from the 
students in charge of the experiments a couple of samples, together with 
a note were they worried about the presence of thousands of specimens of 
two different species in the tanks, one with five cephalic appendages 
(i.e Marphysa) the other with only three (Unknown and unexpected 
species, as there were only Marphysa adults in the tanks). When I 
examined these specimens, they simply resulted to be  earlier juveniles 
still lacking the palps.



-------- Missatge original --------
Assumpte: 	[Annelida] Lysaretidae family doubts
Data: 	Tue, 06 Apr 2010 17:43:31 +0100
A: 	annelida from magpie.bio.indiana.edu


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
I have many books (Fauchald, Campoy, Fauvel, ...) but
unfortunately they haven't specific diagnosis for Lysarete
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

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

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