@article{oai:tsukuba.repo.nii.ac.jp:00018421,
 author = {齊藤, 康典 and SAITO, Yasunori and Okuyama, Makiko},
 issue = {9},
 journal = {Zoological science},
 month = {Sep},
 pages = {1153--1161},
 title = {Studies on Japanese Botryllid Ascidians. IV. A New Species of the Genus Botryllus with a Unique Colony Shape, from the Vicinity of Shimoda},
 volume = {20},
 year = {2003},
 yomi = {サイトウ, ヤスノリ}
}