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Abstract
Two new species of marine desmoscolecid nematodes, Desmoscolex (Desmolerenzenia) coreensis sp. nov. and D. (D.) pedunculus sp. nov., are described based on specimens obtained from the washings of shallow sublittoral invertebrates from the eastern and southern coasts of Korea. Both species possess 17 desmens and a typical setal pattern. Desmoscolex (D.) coreensis sp. nov. is most similar to D. (D.) hupferi (Steiner, Citation1916) in the number of desmens, setal pattern, and head shape, but differs by the structure of the cephalic setae, the cylindrically elongated end ring, and a lower “c” value. Desmoscolex (D.) pedunculus sp. nov. is closely related to D. (D.) crassicauda (Timm, Citation1970) in the number of desmens, setal pattern, subdorsal setae inserted on a peduncle, and a similarly shaped end ring, but is easily discernible by the globular head shape, the distinctly differentiated lip region and the position of the cephalic setae, centrally on the head capsule.
Acknowledgements
The authors are grateful to Dr. Wilfrida Decraemer for her critical review of the manuscript that greatly improved the paper. We also appreciate the anonymous reviewers for their helpful comments. The authors thank “IANTD KOREA” members for their assistance in collecting samples, and Dr. Ji Min Lee (Daegu University) for her help in modifying the figures. This work was partly supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF‐2003‐015‐C00617).