Bang, H.W., H. Moon & J. Back. (2022). Two New Species of the Family Canuellidae Lang, 1944 (Copepoda: Polyarthra), from Korea, with a Key to Species of the Genus Scottolana Huys, 2009. Diversity-Basel. 14(11):1-35. Nov 2022.

442714

10.3390/d14110967 [view]

Bang, H.W., H. Moon & J. Back

2022

14(11):1-35. Nov 2022

Publication

Available for editors   [request]

Two new species of the genus Scottolana Huys, 2009, were collected from Korean waters. S. daecheonensis sp. nov. is morphologically similar to S. jasani Song, Kangtia, Khim, and Chullasorn, 2018, from the Yellow Sea, Korea, and S. gomezi Nazari, Mirshamsi, Sari, Aliabadian, and Martinez Arbizu, 2018, from Bandar Abbas, Iran. However, it can clearly be distinguished from its congeners by rostrum with two tiny lateral sensilla, 4-segemented antennule in female, and 5-segmented antennule in male, 3-segmented mandibular exopod, P3 basis with an inner spinous process on the posterior surface, P3 endopod-3 without a modified tube-pore along the inner margin in male, P4 endopod-2 crumpled inner margin with strong spinules in male, P5 second outermost seta naked, caudal rami with an unguiform extension on the inner margins, and caudal seta V with a normal base in female. S. wonchoeli sp. nov. is similar to S. geei Mu and Huys, 2004 from the Bohai Sea, and S. longipes (Thompson I.C. and Scott A., 1903) sensu Wells and Rao (1987) from the Andaman Islands, but it can clearly be distinguished from its congeners by a combination of the following features: rostrum with a broadly rounded apex, 3-segemented antennule in female and 5-segmented in male, antennary exopod 8-segmented, female genital field relatively small, extending about one-third of genital double-somite, genital somite with paired lateral spinous processes in male, P6 with a long proximal element in male, and maxillular endopod with 11 setae in total. In a molecular analysis using the mitochondrial cytochrome c oxidase subunit I (COI) and 18S ribosomal RNA (18S rRNA) genes, the interspecific distance was 20.031% for COI and 3.214% for 18S rRNA between the two new species. A key for the identification of the species of Scottolana is included.

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