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 2. Crisia eburneodenticulata Smitt, 1865 Ê÷ĕÑnjḇNj Material examined. Hangaechang at Munseom Island , 6 Oct. 2009 ( B.S. Min ; H.J. Yang ) by SCUBA diving from 30 m in depth; Seopseom Island , 13 Oct. 2009 ( B.S. Min ; H.J. Yang ) by SCUBA diving from 20 m in depth; Seopseom Island , 20 Nov. 2009 ( B.S. Min ; H.J. Yang ) by SCUBA diving; Saeggi Island , Munseom Island , 19 Jan. 2010 ( B.S. Min ; H.J. Yang ) by SCUBA diving; Marado Island , 14 Nov. 2010 ( J.E. Seo ; B.S. Min ; H.J. Yang ) by SCUBA diving from 10­30 m in depth . Substratum. Stones, worm tubes, sponges, anthozoans, tangled with a hydrozoans and seaweeds. Distribution. Korea , Japan , Pacific and Atlantic.