Taxonomic study on bryozoans - new additions to the Korean fauna and new species of Petraliella from Seogwipo waters of Jeju Island Author Chae, Hyun Sook Author Kil, Hyun Jong Author Seo, Ji Eun text Journal of Species Research 2016 2016-10-31 5 3 551 565 http://dx.doi.org/10.12651/jsr.2016.5.3.551 journal article 10.12651/JSR.2016.5.3.551 2713-8615 13144895 11. Bicellariella fragilis Seo, 2009 ÜūNjÑnjḇNj ( 신ḡ ) Material examined. Seopseom Island , 7 Jan. 2009 ( J.E. Seo ; B.S. Min ; H.J. Yang ) by SCUBA diving; Hangaechang at Munseom Island , 8 Jan. 2009 ( J.E. Seo ; B.S. Min ; H.J. Yang ) by SCUBA diving; Saeggi Island , Munseom Island , 5 Oct. 2009 ( B.S. Min ; H.J. Yang ) by SCUBA diving from 22 m in depth; Marado Island , 14 Nov. 2010 ( J.E. Seo ; B.S. Min ; H.J. Yang ) by SCUBA diving from 20­30 m in depth . Substratum. The stem of seaweeds. Remarks. In Korea , it is found only in Jeju Island. Distribution. Korea ( Jeju Island).