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Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil.
Moser, Julia; Moraes, Fernando C; Castello-Branco, Cristiana; Pequeno, Carolline B; Muricy, Guilherme.
Afiliación
  • Moser J; Museu Nacional, Universidade Federal do Rio de Janeiro (MN-UFRJ), Departamento de Invertebrados.Quinta da Boa vista, s/n, CEP 20940-040, Rio de Janeiro, RJ, Brasil. . juliamartinsmoser@gmail.com.
  • Moraes FC; Museu Nacional, Universidade Federal do Rio de Janeiro (MN-UFRJ), Departamento de Invertebrados.Quinta da Boa vista, s/n, CEP 20940-040, Rio de Janeiro, RJ, Brasil. Instituto de Pesquisas Jardim Botnico do Rio de Janeiro, CEP 22460-030, Rio de Janeiro, RJ, Brasil. . fmoraes@mn.ufrj.br.
  • Castello-Branco C; Department of Invertebrate Zoology, Smithsonian National Museum of Natural History, 20560 Washington, D.C., USA. . cristianacbranco@gmail.com.
  • Pequeno CB; Museu Nacional, Universidade Federal do Rio de Janeiro (MN-UFRJ), Departamento de Invertebrados.Quinta da Boa vista, s/n, CEP 20940-040, Rio de Janeiro, RJ, Brasil. . Carolline.Pequeno@gmail.com.
  • Muricy G; Museu Nacional, Universidade Federal do Rio de Janeiro (MN-UFRJ), Departamento de Invertebrados.Quinta da Boa vista, s/n, CEP 20940-040, Rio de Janeiro, RJ, Brasil. . muricy@mn.ufrj.br.
Zootaxa ; 5105(1): 105-130, 2022 Mar 02.
Article en En | MEDLINE | ID: mdl-35391312
The outer shelf and upper slope region under the influence of the Amazon River mouth harbors an extensive reef system with a rich sponge fauna, but no hexactinellids were recorded in the area so far. In this work, manned submersibles were used to describe for the first time three species of Hexactinellida off the Amazon River mouth: Hyalonema (Cyliconemaoida) alucia sp. nov., Dactylocalyx pumiceus and Claviscopulia facunda. We found two morphotypes of Dactylocalyx pumiceus, suggesting that it may be a complex of cryptic species. The populations of the three species off Par State were sparse, but a large aggregation of D. pumiceus was found off Maranho State from 145 to 230 m depth. These findings indicate that hexactinellid grounds may be more common along the Northern Brazilian continental outer shelf and slope than previously thought.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Poríferos / Ríos Límite: Animals País/Región como asunto: America do sul / Brasil Idioma: En Revista: Zootaxa Año: 2022 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Nueva Zelanda
Texto completo
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Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Poríferos / Ríos Límite: Animals País/Región como asunto: America do sul / Brasil Idioma: En Revista: Zootaxa Año: 2022 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Nueva Zelanda