HYDROZOA
ATHECATA
Stylactis carcinicola Hiro, 1939: Type
ANTHOZOA
ALCYONACEA
Alcyonium okinawanum Utinomi, 1976: Holotype
Alcyonium robustum Utinomi, 1976: Holotype
Anthelia tosana Utinomi, 1958: Type [Holotype]
Asterospicularia laurae Utinomi, 1951: Type
Asterospicularia randalli Gawel, 19xx: Paratype
Bellonella granulata Gray, 1862: Type [a part]
Bellonella granulata Gray, 1862: Type [a part]
Bellonella sibogae Utinomi, 1957: Type [Holotype]
Cereopsis bocagei Kent, 1870: Type[Holotype, part]
Eunephthya fusca Wright & Studer, 1889: Type[Holotype, part]
Filigorgia riodouroi Stiasny, 1937: Paratype
Filigorgia riodouroi Stiasny, 1937: Type
Filigorgia saharensis Stiasny, 1939: Type
Filigorgia saharensis Stiasny, 1939: Type
Microspicularia sphaeroides Utinomi, 1953: Holotype
Minabea ozakii Utinomi, 1957: Holotype
Nidalia occidentalis Gray, 1835: Holotype (a part)
Nidalia occidentalis Gray, 1835: Holotype [a part]
Paranephthya capitulifera Wright & Studer, 1889: Type[Holotype, part]
Parerythropodium hicksoni Utinomi, 1971: Paratype
Scleronephthya pustulosa Wright & Studer, 1889: Type[Holotype, part]
Siphonogorgia alba Utinomi, 1960: Type [Holotype]
Spongodes spicata Wright & Studer, 1889: Type[Holotype, part]
Taiaroa tauhou Bayer & Muzik, 1976: Paratype
Taiaroa tauhou Bayer & Muzik, 1976: Paratype
Umbellulifera petasites Thomson & Dean, 1931: Type
Xenia fimbriata Utinomi, 1955: Type [a part]
Xenia kusimotoensis Utinomi, 1955: Type [a part]
GORGONACEA
Muricella magna Utinomi, 1961: Type
STOLONIFERA
Clavularia multispiculosa Utinomi, 1955: Holotype [a part]
Clavularia racemosa Utinomi, 1950: Type
Clavularia spongicola Utinomi, 1955: Paratype
Clavularia spongicola Utinomi, 1955: Holotype [a part]
Clavularia spongicola Utinomi, 1955: Type [Paratype?]
Cornularia sagamiensis Utinomi, 1955: Holotype [a part]
TELESTACEA
Telesto setoutiana Utinomi, 1973: Holotype
Telesto setoutiana Utinomi, 1973: Paratype
Telesto setoutiana Utinomi, 1973: Paratype