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Shallow-water Aplysina Nardo (Aplysinidae, Verongida, Demospongiae) from the São Sebastião Channel and its environs (Tropical southwestern Atlantic), with the description of a new species and a literature review of other brazilian records of the genus

Abstract

Two species of Aplysina Nardo, 1834 are described in this article, Aplysina caissara sp. n. and A. fulva (Pallas, 1766). Additionally, a possible third species was identified as A. aff. cauliformis. Collections were done in the São Sebastião Channel area as an ongoing effort to assess the poriferan biodiversity of the northern sector of the São Paulo State coastline. Specimens were collected by scuba diving, and descriptions of external morphology are based on the observation of populations alive, and on extensive underwater photography. A literature review of other brazilian records of Aplysina was undertaken, and an ammended species list is offered.

Porifera; Aplysina; sponges; southwestern Atlantic; taxonomy; Brazil


Shallow-water Aplysina Nardo (Aplysinidae, Verongida, Demospongiae) from the São Sebastião Channel and its environs (Tropical southwestern Atlantic), with the description of a new species and a literature review of other brazilian records of the genus

Ulisses dos Santos PinheiroI,II; Eduardo HajduI,III

IMuseu Nacional, Departamento de Invertebrados, Universidade do Brasil. Quinta da Boa Vista, 20940-040 Rio de Janeiro, Rio de Janeiro, Brasil. E-mail: uli6@acd.ufrj.br or hajdu@acd.ufrj.br

IIFAPERJ fellowship

IIICNPq fellowship

ABSTRACT

Two species of Aplysina Nardo, 1834 are described in this article, Aplysina caissara sp. n. and A. fulva (Pallas, 1766). Additionally, a possible third species was identified as A. aff. cauliformis. Collections were done in the São Sebastião Channel area as an ongoing effort to assess the poriferan biodiversity of the northern sector of the São Paulo State coastline. Specimens were collected by scuba diving, and descriptions of external morphology are based on the observation of populations alive, and on extensive underwater photography. A literature review of other brazilian records of Aplysina was undertaken, and an ammended species list is offered.

Key words: Porifera, Aplysina, sponges, southwestern Atlantic, taxonomy, Brazil

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ACKNOWLEDGEMENTS. Authors are thankful to Klaus Rützler & Kate Smith for the extended loan of DE LAUBENFELS' (1956) slide collection (Smithsonian Institution, Washington D.C., E.U.A.); and to Beatriz Mothes and Cléa B. Lerner (MCN) for the loan of material from Santa Catarina State. Paulo A.S. Mourão and Mauro Pavão (Universidade Federal do Rio de Janeiro) are thanked for the provision of papain, and G. Lôbo-Hajdu (Universidade do Estado do Rio de Janeiro) for the preparation of all the buffers/solutions needed for our enzimatic treatment of spongin skeletons. CNPq is thanked for a Research Productivity Fellowship to EH. FAPERJ is thanked for a Scientific Iniciation Fellowship to USP, and a research grant to EH. FAPESP provided research grants and a Post-Doc Fellowship to EH. FUJB is thanked for grants awarded to the Departamento de Invertebrados (Museu Nacional).

Recebido em 11.V.2000; aceito em 22.VI.2001.

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Publication Dates

  • Publication in this collection
    30 Apr 2009
  • Date of issue
    July 2001

History

  • Received
    11 May 2000
  • Accepted
    22 June 2001
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