[1] Univ Fed Bahia, Museu Zool, BR-40170290 Salvador, BA, Brazil
[2] Univ Fed Bahia, Inst Biol, Lab Biol Porifera & Fauna Assoc, BR-40170290 Salvador, BA, Brazil
[3] Smithsonian Inst, Natl Museum Nat Hist, Dept Paleobiol, Washington, DC 20560 USA
[4] Univ Sao Paulo, Ctr Biol Marinha, BR-11600000 Sao Sebastiao, SP, Brazil
[5] Univ Fed Pernambuco, Ctr Ciencias Biol, Dept Zool, BR-50670810 Recife, PE, Brazil