Integrative description of Diosaccus koreanus sp. nov. (Hexanauplia, Harpacticoida, Miraciidae) and integrative information on further Korean species

A new species of Boeck, 1873 (Arthropoda, Hexanauplia, Harpacticoida) was recently discovered in Korean waters. The species was previously recognized as Itô, 1974 in Korea but, here, is described as a new species, , based on the following features: 1) second inner seta on exopod of fifth thoracopod...

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Veröffentlicht in:ZooKeys 2020-04, Vol.927, p.1-35
Hauptverfasser: Lim, Byung-Jin, Bang, Hyun Woo, Moon, Heejin, Back, Jinwook
Format: Artikel
Sprache:eng
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Zusammenfassung:A new species of Boeck, 1873 (Arthropoda, Hexanauplia, Harpacticoida) was recently discovered in Korean waters. The species was previously recognized as Itô, 1974 in Korea but, here, is described as a new species, , based on the following features: 1) second inner seta on exopod of fifth thoracopod apparently longest in female, 2) outer margin of distal endopodal segment of second thoracopod ornamented with long setules in male, 3) caudal seta VII located halfway from base of rami (vs. on anterior extremity in ), and 4) sixth thoracopod with three setae in female (vs. 2 setae in ). In addition, there is also a mitochondrial COI sequence difference of more than 19.93% with registered in NCBI. A key to species of the world is also provided, and new morphological features and DNA sequences are presented for two other harpacticoid species, Itô, 1970 and Song & Yun, 1999. In order to clearly identify harpacticoids at the species level, both morphological and DNA sequence characteristics should be considered.
ISSN:1313-2989
1313-2970
DOI:10.3897/zookeys.927.49042