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http://dx.doi.org/10.5635/ASED.2022.38.1.018

First Record of Two Pseudopolydora (Annelida: Spionidae) Species in Korea  

Lee, Geon Hyeok (Department of Biological Sciences, Inha University)
Yoon, Seong Myeong (Department of Biology, College of Natural Sciences, Chosun University)
Min, Gi-Sik (Department of Biological Sciences, Inha University)
Publication Information
Animal Systematics, Evolution and Diversity / v.38, no.1, 2022 , pp. 26-33 More about this Journal
Abstract
Two Pseudopolydora polychaetes, P. bassarginensis and P. reticulata, originally described from Peter the Great Bay in Russia and Taiwan, respectively, were recorded firstly in Korea with DNA information. Two species are known to have distinct morphological characteristics that are separated from other Pseudopolydora species. They are characterized by reticulate pigmentations on the dorsal sides of the anterior chaetigers, a longitudinal black band-like pigmentation on the caruncle, and black paired spots on the ventral sides of the anterior chaetigers. These two species can be distinguished morphologically from each other by the length of the caruncle. Methyl green staining pattern of the species is a good method for delimiting Pseudopolydora species. The partial sequences of the mitochondrial cytochrome c oxidase subunit I (COI), 16S ribosomal DNA (16S rDNA), and the nuclear 18S ribosomal DNA (18S rDNA) from Korean specimens of the two species were determined. The morphological descriptions and images of the two Pseudopolydora species are provided.
Keywords
Korea Strait; molecular analysis; Polychaeta; taxonomy; Yellow Sea;
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