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Two new Mycalina from the south-eastern Brazilian shelf and slope collected by Programme REVIZEE (Poecilosclerida: Demospongiae)
Lopes, D.A.; Hajdu, E. (2004). Two new Mycalina from the south-eastern Brazilian shelf and slope collected by Programme REVIZEE (Poecilosclerida: Demospongiae). J. Mar. Biol. Ass. U.K. 84(1): 25-28
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keywords
    New records; Demospongiae [WoRMS]; Mycalidae Lundbeck, 1905 [WoRMS]; Poecilosclerida [WoRMS]; Porifera [WoRMS]; Marine

Authors  Top 
  • Lopes, D.A.
  • Hajdu, E.

Abstract
    Two new Mycalina (Porifera: Poecilosclerida) are described from the south-western Atlantic, collected during Programme REVIZEE (1996-2002)—South Score, off the São Paulo State coast, Brazil. Esperiopsis bathyalis sp. nov. is characterized by the possession of two well differentiated categories of sigmas, the smaller ones being sigmancistras. Hamacantha microxifera sp. nov. is set apart by its possession of abundant small microxea-like raphides, diancistras 100-150 µm long, and absence of sigmas.

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