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Abstract
Two new species of marine Halacaridae, namely Copidognathus quadriporosus and C. tetrarhachis, are described from South Korea. Copidognathus quadriporosus n. sp. is closely allied with C. brevipes Viets and C. tabellio (Trouessart), but differs from them in having four porose areas on AE. Copidognathus tetrarhachis n. sp. is closely related to C. ficipacus Bartsch and C. vulgaris Bartsch. Dissimilarities among them are discussed. Females of C. jejuensis are described for the first time and illustrated with SEM.
Acknowledgements
We are grateful to Dr J. M. Lee, Daegu University, Korea for helping to take the SEM pictures of Copidognathus jejuensis. The first author (T.C.) is indebted to the Brain Pool Program, Korea. This research was partly supported by a Daegu University Research Grant, 2006.