Leduc, D.; Gwyther, J. (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. 42(3): 339-362.

166042

10.1080/00288330809509962 [view]

Leduc, D.; Gwyther, J.

2008

42(3): 339-362

Publication

NeMys doc_id: 17881

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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 mu m) 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 front 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.

New Zealand

Nematoda

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