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Description of new species of Setosabatieria and Desmolaimus (Nematoda: Monhysterida) and a checklist of New Zealand free-living marine nematode species

Leduc, Daniel and Gwyther, Janet 2008, Description of new species of Setosabatieria and Desmolaimus (Nematoda: Monhysterida) and a checklist of New Zealand free-living marine nematode species, New Zealand journal of marine and freshwater research, vol. 42, no. 3, pp. 339-362.

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Title Description of new species of Setosabatieria and Desmolaimus (Nematoda: Monhysterida) and a checklist of New Zealand free-living marine nematode species
Author(s) Leduc, Daniel
Gwyther, Janet
Journal name New Zealand journal of marine and freshwater research
Volume number 42
Issue number 3
Start page 339
End page 362
Publisher RSNZ Publishing
Place of publication Wellington, N.Z
Publication date 2008-09
ISSN 0028-8330
Keyword(s) SEM
taxonomy
geographical distribution
Zostera muelleri
Setosabatieria
Desmolaimus
Summary Two new marine nematode species are described from intertidal sediments in southern New Zealand. Setosabatieria australis sp. nov. is characterised by an amphideal fovea with 3.5 turns, 7–9 small pre-cloacal supplements, and 2–5 sub-cephalic setae per file. Setosabatieria australis sp. nov. differs from all known species of the genus in having L-shaped spicules with a hollow median region, in contrast to the typical curved shape. Desmolaimus courti sp. nov. is characterised by the presence of four long (15 µm) cephalic setae, two cuticularised rings in the buccal cavity, and a lightly cuticularised pharyngeal lumen. It differs from other species of the genus by having eight sub-cephalic setae. A total of 116 marine species are included in the checklist of New Zealand free-living nematodes, with the majority of records from the coast of Campbell and Auckland islands from the early part of the 20th century. Most records were from habitats such as seaweed or sponge, which may explain the high proportion (>50%) of cosmopolitan species recorded in New Zealand to date. Little is known about the sediment nematode fauna, particularly in deeper waters (>120 m), from where there are no records to date.
Language eng
Field of Research 060399 Evolutionary Biology not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, The Royal Society of New Zealand
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017487

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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