[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5635/ASED.2019.35.2.011

A New Record of the Brittle Star, Amphistigma minuta (Ophiuroidea: Amphilepidida: Amphiuridae), from Jeju Island, Korea

Lee, Taekjun (Division of Life Sciences, College of Life Sciences and Biotechnology, Korea University)
Shin, Sook (Marine Biological Resource Institute, Sahmyook University)

Publication Information

Animal Systematics, Evolution and Diversity / v.35, no.2, 2019 , pp. 84-90 More about this Journal

Abstract

The brittle star, Amphistigma minuta H.L. Clark, 1938, was collected from Munseom Island, Jeju-do, Korea, by SCUBA diving. This species has distinct morphological features, as follows: a small disk with large papillae on the disk margin; slender arms and four arm spines at proximal; and oral parts the same as those of the genus Amphipholis. Additionally, we obtained partial sequences of the cytochrome c oxidase subunit I gene (COI) (513 bp) and compared them with sequences from Australian A. minuta and 13 other species of Amphiuridae. As a result, intraspecific pairwise distance was 0.4% between two Korean individuals and intraspecific distance between the Australian and the Korean populations was 2.6-2.8%, which indicates they should be considered as the same species. Ultimately, 15 species of the family Amphiuridae have currently been recorded in Korea, including A. minuta.

Keywords

Echinodermata; morphology; ophiuroids; taxonomy; COI;

Citations & Related Records

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