Journal
INVERTEBRATE SYSTEMATICS
Volume 25, Issue 5, Pages 407-443Publisher
CSIRO PUBLISHING
DOI: 10.1071/IS11015
Keywords
deep water; Magellanic Province; new species; Porifera; slope; South Pacific Ocean; southern South America
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Funding
- CENPES/PETROBRAS' Research and Development Center (Rio de Janeiro, Brazil)
- CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
- CNPQ (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico)
- FAPERJ (Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro)
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Eight new species of carnivorous sponges are described from southern South America, off Diego Ramirez Archipelago (south Chile): Abyssocladia diegoramirezensis, sp. nov., A. umbellata, sp. nov., Asbestopluma (Asbestopluma) bitrichela, sp. nov., A. (A.) magnifica, sp. nov., A. (A.) microstrongyla, sp. nov., A. (Helophloeina) delicata, sp. nov., Chondrocladia (Chondrocladia) schlatteri, sp. nov. and C. (Meliiderma) latrunculioides, sp. nov. Most of these sponges were sampled from an antipatharian coral collected accidentaly by demersal fisheries, which indicates an unexpected high diversity and abundance of carnivorous sponges in this area. The taxonomy and biogeography of the family Cladorhizidae is discussed, with an emphasis on cladorhizid versus phellodermid affinities of Abyssocladia, and on the possibility that species bearing either cleistochelae or arcuate chelae as the sole chelae morphotype may belong in this genus. A synthesis of the geographic as well as bathymetric distribution of cladorhizids is presented.
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