[Annelida] Lysaretidae family doubts

Maria Cristina Gambi via annelida%40net.bio.net (by gambimc from szn.it)
Wed Apr 7 02:42:26 EST 2010


Hola Roberto, as regards to your query, and as indicated by Larry Lovell, I 
can confirm by personal experience that juvenile forms of Eunicidae can be 
confused in different genera. A study case is the genus Lysibranchia, that 
resulted to be a juvenile stage of Marphysa bellii.....with the lateral 
palps not yet developed...and therefore not yet valid.
Carinos, hasta pronto,
Maria Cristina


At 18.43 06/04/2010, ROBERTO CARLOS DOMINGUES MARTINS wrote:
>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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