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Type: Article
Published: 2019-07-23
Page range: 31–54
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Four new free-living marine nematode species (Sabatieria) from the Chukchi Sea

Fisheries College, Jimei University, Xiamen 361021, China
Fisheries College, Jimei University, Xiamen 361021, China
Fisheries College, Jimei University, Xiamen 361021, China Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China
Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China
Nematoda free-living marine nematodes biodiversity taxonomy Sabatieria Chukchi sea

Abstract

Four new free-living marine nematode species of the genus Sabatieria are described from the Chukchi Sea. Sabatieria chukchensis sp. n. is characterized by a long body (2052–2326 μm), two pairs of short cervical setae present, amphideal fovea spiral with 2.75–3.25 turns, and seven papilliform pre-cloacal supplements. Sabatieria parvamphis sp. n. is characterized by small amphideal fovea (equal to 55–72% corresponding body diameter), amphideal fovea spiral with 3.25 turns, short cephalic setae (6–7 μm, equal to 31–38% of head diameter), curved gubernacular apophyses, thirteen to fifteen prominent tubular pre-cloacal supplements with distance between adjacent supplements increasing towards the anterior. Sabatieria major sp. n. is characterized by a long body (3879–4255 μm), amphideal fovea spiral with 2.5–3.25 turns, and seventeen to thirty-two small tubular pre-cloacal supplements. Sabatieria multisupplementia sp. n. is characterized by a long body (3967–4294 μm), amphideal fovea spiral with 2.75–3 turns, and forty-one to forty-seven tubular pre-cloacal supplements.

 

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