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Issue: Vol. 4466 No. 1: 31 Aug. 2018
Type: Article
Published: 2018-08-31
DOI: 10.11646/zootaxa.4466.1.12
Page range: 152–163
Abstract views: 124
PDF downloaded: 3

Two new species of Sympagella (Porifera: Hexactinellida: Rossellidae) collected from the Clarion-Clipperton Zone, East Pacific

Senckenberg Research Institute and Nature Museum, Senckenberganlage 25, 60325 Frankfurt a. M., Germany
Natural History Museum, London, Cromwell Road, London, SW75BD
University of Hawaii at Manoa, 1000 Pope Road, Honolulu, Hawaii, 96822, USA
Senckenberg Research Institute and Nature Museum, Senckenberganlage 25, 60325 Frankfurt a. M., Germany
Porifera Hexactinellida Rossellidae

Abstract

Two new Hexactinellida species from the Clarion-Clipperton Zone (CCZ) in the East Pacific Ocean are described. They are the first described representatives of the genus Sympagella in this region. The new sponges were collected in 2013 during the ABYSSLINE Project´s first cruise, AB01, on board the RV Melville. The CCZ is known for its polymetallic nodules but megafaunal biodiversity is still poorly understood. Our findings suggest that the poriferan fauna of the eastern CCZ is both species rich and inadequately known, and that substantially more sampling and taxonomic studies of the CCZ sponge fauna are required to establish a megafaunal biogeography and evaluate potential extinction risks resulting from polymetallic-nodule mining.

 

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