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CaRMS source details
Georgieva, Magdalena N.; Wiklund, Helena; Ramos, Dino A.; Neal, Lenka; Glasby, Christopher J.; Gunton, Laetitia M. (2023). The annelid community of a natural deep-sea whale fall off eastern Australia. Records of the Australian Museum. 75(3): 167-213.
450987
10.3853/j.2201-4349.75.2023.1800 [view]
Georgieva, Magdalena N.; Wiklund, Helena; Ramos, Dino A.; Neal, Lenka; Glasby, Christopher J.; Gunton, Laetitia M.
2023
The annelid community of a natural deep-sea whale fall off eastern Australia
Records of the Australian Museum
75(3): 167-213
Publication
World Polychaeta Database (WPolyD).
Available for editors
In the deep ocean, whale falls (deceased whales that sink to the seafloor) act as a boost of productivity in this otherwise generally food-limited setting, nourishing organisms from sharks to microbes during the various stages of their decomposition. Annelid worms are habitual colonizers of whale falls, with new species regularly reported from these settings and their systematics helping to resolve bio-geographic patterns among deep-sea organic fall environments. During a 2017 expedition of the Australian research vessel RV Investigator to sample bathyal to abyssal communities off Australia’s east coast, a natural whale fall was opportunistically trawled at ~1000 m depth. In this study, we provide detailed taxonomic descriptions of the annelids associated with this whale-fall community, using both morphological and molecular techniques. From this material we describe nine new species from five families (Dorvilleidae: Ophryotrocha dahlgreni sp. nov. Ophryotrocha hanneloreae sp. nov., Ophryotrocha ravarae sp. nov.; Hesionidae: Vrijenhoekia timoharai sp. nov.; Nereididae: Neanthes adriangloveri sp. nov., Neanthes visicete sp. nov.; Orbiniidae: Orbiniella jamesi sp. nov.), including two belonging to the bone-eating genus Osedax (Siboglinidae: Osedax waadjum sp. nov., Osedax byronbayensis sp. nov.) that are the first to be described from Australian waters. We further provide systematic accounts for 10 taxa within the Ampharetidae, Amphinomidae, Microphthalmidae, Nereididae, Orbiniidae, Phyllodocidae, Protodrilidae, Sphaerodoridae and Phascolosomatidae. Our investigations uncover unique occurrences and for the first time enable the evaluation of biogeographic links between Australian whale falls and others in the western Pacific as well as worldwide.
Australia
Abyssal, Deep-Sea
Molecular systematics, Molecular biology Systematics, Taxonomy Date action by
Microphthalmus Mecznikow, 1865 (additional source)
Nereis Linnaeus, 1758 (additional source) Sphaerodoropsis Hartman & Fauchald, 1971 (additional source) Classification Authors state "We tentatively assign the new species to genus Orbiniella due to possession of a broadly conical ... [details] Depth range 999-1013 m [details] Depth range 999-1013 m [details] Distribution Tasman Sea: off eastern Australia [details] Distribution Tasman Sea: off eastern Australia [details] Editor's comment See the note on Vrijenhoekia for why currently it is here treated as a synonym of Sirsoe based on Shimbukuro et al ... [details] Editor's comment Georgieva et al (2023) added a further Vrijenhoekia species although Shimbukuro et al (2021, 2019) had earlier ... [details] Etymology the species is named in honour of Dr Adrian Glover of the Natural History Museum, London [details] Etymology the species name is derived from the Latin “visitar” for a visitor, and “cete”, a whale, referring to the ... [details] Etymology Ophryotrocha dahlgreni is named for Dr Thomas Dahlgren, NORCE, Norway, and University of Gothenburg, Sweden [details] Etymology Ophryotrocha hanneloreae is named for Dr Hannelore Paxton at Macquarie University, Australia [details] Etymology Orbiniella jamesi is named for James Hayhurst, for his support of the work of M. Georgieva. [details] Etymology Osedax byronbayensis is named for the nearby location of Byron Bay [details] Etymology Authors: "In the Arakwal Bundjalung language Waadjum Darrigan Jubal means “Whale Bone Grub”. In consultation ... [details] Etymology Vrijenhoekia timoharai is named for Dr Tim O’Hara of Museums Victoria, Australia, the Chief Scientist of the ... [details] Habitat whale fall [details] Habitat whale fall [details] Synonymy Strictly the type species of Vrijenhoekia, V. balaenophila places within Sirsoe according to phylogeny figures ... [details] Type locality Whale skull off Byron Bay, NSW, Australia, beam trawl, start: 28.05°S 154.08°E, 999 m, end: 28.10°S 154.08°E, 1013 m [details] Type locality Whale skull off Byron Bay, NSW, Australia, beam trawl, start: 28.05°S 154.08°E, 999 m, end: 28.10°S 154.08°E, 1013 m [details] Type locality Whale skull & vertebrae off Byron Bay, NSW, Australia, beam trawl, start: 28.05°S 154.08°E, 999 m, end: 28.10°S ... [details] Type locality Three incomplete specimens from a whale skull & vertebrae off Byron Bay, NSW, Australia, beam trawl, start: ... [details] Type locality Whale skull & vertebrae off Byron Bay, NSW, Australia, beam trawl, start: 28.05°S 154.08°E, 999 m, end: 28.10°S ... [details] Type locality Whale skull & vertebrae off Byron Bay, NSW, Australia, beam trawl, start: 28.05°S 154.08°E, 999 m, end: 28.10°S ... [details] Type specimen The holotype is tissue, possibly a single palp, approximately 4 mm long, found within a tube. The species is ... [details] |