[Cnidaria] cydippid stage in ctenophores

["Otto Müller P. Oliveira"]

Dear Elena,

/Mnemiopsis/ larvae are much more delicate than /Pleurobrachia/. The 
first conspicuous difference you could see is the width of the comb 
plates (much wider in /Pleurobrachia/).
/Pleurobrachia/ also have an egg shape body, with a little compression 
in the stomodeal plane. /Mnemiopsis /larvae are more globular.
You could see pictures of them in the links below.

http://www.usp.br/cbm/ctenophora/en/ctenophoraen_arquivos/Page2645.htm
http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopy-uk.org.uk/mag/artmay98/comb.html

Hope I could help. If you need more tecnical data, I can send you some 
papers.

Best wishes,

Otto

-- 
________________________________________
Otto Müller P. Oliveira, PhD.
Centro de Biologia Marinha
Universidade de São Paulo
Rod. Manoel H. Rego, km 131.5
São Sebastião, SP - Brazil
CEP 11600-000
Phone: (55) 12 3862-8413
Web: www.ib.usp.br/~ottompo
Ctenophores: www.usp.br/cbm/ctenophora
Exposição: www.usp.br/cbm/expovida

 

elena gorokhova escreveu:
> Dear all,
>  
> I am looking for a morphological characters to distinguish cyppidid 
> larvae of Mnemiopsis from larvae and adults of Pleurobrachia 
> (Cydippida). Would be eternally thankful if someone can point out a 
> reference or just say what could be worth to look at.
>  
> Best regards,
> Elena
>  
>
>
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