Comments on brazilian Halichondria Fleming (Halichondriidae, Halichondrida, Demospongiae), with the description of four new species from the São Sebastião Channel and its environs (Tropical Southwestern Atlantic)

 

 

Mariana de S. Carvalho; Eduardo Hajdu

Departamento de Invertebrados, Museu Nacional, Universidade do Brasil. Quinta da Boa Vista, 20940-040 Rio de Janeiro, Rio de Janeiro, Brasil. E-mail: hajdu@acd.ufrj.br

 

 

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ABSTRACT

Over 70 species of Halichondria Fleming, 1828 are known world-wide, but only five from the Brazilian Coast. Brazilian records have their status re-evaluated here, and four new species are described for the São Sebastião Channel area, in the Tropical Southwestern Atlantic, viz. H. cebimarensis sp. n., H. sulfurea sp. n., H. migottea sp. n. and H. tenebrica sp. n.

Key words: Porifera, Halichondria, taxonomy, Brazilian coast, Southwestern Atlantic, new species

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ACKNOWLEDGEMENTS. The authors are thankful to E. Laso-Wasem (YPM), P. Greenhall and K. Rützler (USNM), and C.B. Lerner and B. Mothes (MCNZ), for the loan of comparative material. R.G.S. Berlinck (USP); E. Costa, R. Fernandes and G. Muricy (MNRJ); M.R. Custódio (CEBIMar/USP); M.C. Guerrazzi (UESC) and L.H. Lima (UNICAMP) are thanked for help in the collecting trips. J.C. Freitas (CEBIMar/USP) is thanked for the provision of laboratory facilities and assignment of technical support during the field trips. A.E. Migotto (CEBIMar/USP) is thanked for the donation of the specimen made holotype of H. migottea sp. n. Grants and/or fellowships by CNPq, FAPERJ, FAPESP and FUJB (all from Brazil) are greatly acknowledged.

 

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Recebido em 15.VI.2000; aceito em 22.VI.2001.