Costaria costata
(C. Agardh) Saunders
スジメ
採集地：Oshiro Bay, Hokkaido, JAPAN
採集日：10 Feb. 1973
採集者：L. Druehl
TNS-AL 47537
Copyright 2011 by Taiju Kitayama, National Museum of Nature and Science, Tokyo (TNS)