Annelids of the eastern Australian abyss collected by the 2017 RV 'Investigator' voyage

In Australia, the deep-water (bathyal and abyssal) benthic invertebrate fauna is poorly known in comparison with that of shallow (subtidal and shelf) habitats. Benthic fauna from the deep eastern Australian margin was sampled systematically for the first time during 2017 RV 'Investigator' voyage 'Sampling the Abyss'. Box core, Brenke sledge, and beam trawl samples were collected at one-degree intervals from Tasmania, 42 degrees S, to southern Queensland, 24 degrees S, from 900 to 4800 m depth. Annelids collected were identified by taxonomic experts on individual families around the world. A complete list of all identified species is presented, accompanied with brief morphological diagnoses, taxonomic remarks, and colour images. A total of more than 6000 annelid specimens consisting of 50 families (47 Polychaeta, one Echiura, two Sipuncula) and 214 species were recovered. Twenty-seven species were given valid names, 45 were assigned the qualifier cf., 87 the qualifier sp., and 55 species were considered new to science. Geographical ranges of 16 morphospecies extended along the eastern Australian margin to the Great Australian Bight, South Australia; however, these ranges need to be confirmed with genetic data. This work providing critical baseline biodiversity data on an important group of benthic invertebrates from a virtually unknown region of the world's ocean will act as a springboard for future taxonomic and biogeographic studies in the area.

Kupriyanova, E. K. (author)
Alvestad, T. (author)
Avery, L. (author)
Blake, J. A. (author)
Biriukova, O. (author)
Boggemann, M. (author)
Borisova, P. (author)
Budaeva, N. (author)
Burghardt, I. (author)
Capa, M. (author)
Georgieva, M. N. (author)
Glasby, C. J. (author)
Hsueh, P. W. (author)
Hutchings, P. (author)
Jimi, N. (author)
Kongsrud, J. A. (author)
Langeneck, J. (author)
Meissner, K. (author)
Murray, A. (author)
Nikolic, M. (author)
Paxton, H. (author)
Ramos, D. (author)
Schulze, A. (author)
Sobczyk, R. (author)
Watson, C. (author)
Wiklund, Helena,1965Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences(Swepub:gu)xwikhe (author)
Wilson, R. S. (author)
Zhadan, A. (author)
Zhang, J. H. (author)
Göteborgs universitetInstitutionen för biologi och miljövetenskap (creator_code:org_t)

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