• Animal Systematics, Evolution and Diversity
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• v.9 no.2
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• pp.261-280
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• 1993

The marine hydroids of Cheju Island in this work identified into 46 species and/or subspecies of 25 genera in 10 families. Of which four species: Rhizocaulus chinensis, Obelia bicuspidata, Sertularia desmoides and Plumularia spinulosa are new to the hydroid fauna of Cheju Island and four species: Hebella parastica, Campanularia groenlandica, Campanularia everta and Sertulareffa natalensis are new to the Korean fauna. Adding these eight species to the previous known species (83 species and/or subspecies) in Cheju Island, the hydroid fauna in Cheju Island identified up to date consists of 91 species and/or subspecies of 41 genera in 12 families. Macrorhynchia phoenicea is dominant species which occur in 10 points, Aglaophenia suensonii in eight points. 71 species (78%) occur in Songsanp'o, 43 species (47%) in Munsom, 26 species (29%) in Supsom, 13 species (14%) in Wimi-ri and 11 species (12%) in P - omsom in order. Thirty-three percent (30 species) of the hydroids of Cheju Island was only found in Cheju Island.

• Animal Systematics, Evolution and Diversity
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• v.16 no.1
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• pp.55-63
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• 2000

As a part of ecological survey of Dokdo Islands, Korea the hydroid collections were made in its intertidal and subtidal zones by the one of present authors and others during the periods from March 1993 to May 1999. The specimens were identified into 15 species of 11 families (Corymorphidae, Corynidae, Eudendriidae, Solanderiidae, Boungainvilliidae Tubulariidae, Lafoeidae, Haleciidae, Campanulariidae, Sertulariidae and Pulmulariidae) in two orders (Athecatae and Thecatae). Two species of them, Fukaurahydra anthoformis (Corymorphidae) and Rhizorhagium sagamiense (Bougainvilliidae) were turned out to be new to the Korean fauna.

• Animal Systematics, Evolution and Diversity
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• v.32 no.2
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• pp.86-92
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• 2016

A new species of Telestacicola Humes and Stock, 1972 (Copepoda, Rhynchomolgidae) is described as an associate of basket stars (Ophiuroidea) from Korea. The new species Telestacicola turgipes closely resembles T. angoti Humes and Stock, 1973, but is differentiated from the latter species and other congeners by a characteristic exopod of female leg 5 in which the middle of inner margin is protruded, with an angular apex. Doridicola connexus Humes, 1986 and D. micropus Humes, 1973, both associated with a basket star, are transferred to the genus Telestacicola, while Telestacicola sertus Humes, 1978 associated with a hydroid is removed to the genus Pseudomacrochiron Reddiah, 1969 in the Macrochironidae. A key to seven species of Telestacicola is provided.

• The Korean Journal of Zoology
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• v.34 no.4
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• pp.541-547
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• 1991

Some Korean marine hvdroids of the families Sphaerocorynidae, Eudendriidae, Haleciidae and Lafoeidae were observed based on the external features. Thev were collected from the coasts and islands of Korea during the years 1971-1990 by the author and others. As a result12 species and subspecies are identified, of which 6 species: Sphaerocowne bedoti, Eudendrium insigne, Eudendrium cumeum, Hydrodendron gordineri, Acwptolaria confena austrolis and Crammaria obi'etinQ tuned out to be new to the Korean fauna, which are redescribed briefly. For already known species in Korean fauna, the materials examined for this work and previous rdcore given, and not examined but already known species in Korean waters the only previous records are given for definition of the hydroid taxa. So that the Korean hvdroids of four families identified so far consist of ten genera and 19 species.

• Animal Systematics, Evolution and Diversity
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• v.38 no.4
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• pp.242-247
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• 2022

In 2021, during a survey of cnidarian fauna around Geomundo located in the Dadohaehaesang National Park in the South Sea, complete pinnated hydroid colonies attaching on vertical rocky surface at depth of 45 m were collected by SCUBA diving. Through taxonomic examination, unrecorded species, Sertularella acutidentata Billard, 1919, is newly added to the hydrozoan fauna of Korea. Recently, taxonomic position of the genus Sertularella has been relocated into the new family Sertularellidae Maronna et al., 2016 and six species from Korean waters have been synonymized or transferred to new genera. Thus, a total of 17 species belonging to genus Sertularella, including the species reported in this study, have been reported in Korean waters so far.

• Animal Systematics, Evolution and Diversity
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• v.40 no.2
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• pp.140-146
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• 2024

A taxonomic examination of Zygophylax species collected from the subtidal zone of Seongsan Ilchulbong in the east of Jeju Island and a reexamination of the voucher specimens previously described as Z. biarmata were conducted. Through this study, the species previously reported as Z. biarmata in Korea was redescribed as Z. pacifica, and the specimens from Seongsan Ilchulbong were confirmed to be Z. biarmata. Zygophylax biarmata has two nematothecae on the apophysis of the hydrotheca, a clear distinction between the apophysis and the pedicel of the hydrotheca, and much smaller hydrothecae, whereas Z. pacifica has a single nematotheca on the apophysis of the hydrotheca, no distinction between the apophysis and the pedicel of the hydrotheca, and much larger hydrothecae. As a result of this study, a total of two species belonging to genus Zygophylax have been reported in the hydrozoan fauna of Korea to date.

• Animal Systematics, Evolution and Diversity
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• no.spc1
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• pp.1-52
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• 1986

The known Korean sertularian hydroid fauna consists of 41 species(including Sertularella areyi reported by Rho, 1974) of 10 genera in two subfamilies. Of which 20 species have been previously known and the following 21 species are newly recorded in Korean waters (Dynamena cornicina, Sertularella distans. Sertularella tongensis, Sertularella obtusa, Sertularella tenella, Sertularella pedrensis, Sertularella gayi, Abietinaria traski, Sertularia desmoides, Sertularia turbinata, Thuiaria suensoni, Thuiaria plumosa. Thuiaria thuia, Thuiaria nuttingi, Thuiaria similis, Thuiaria articulata, Thuiaria carica, Selaginopsis triserialis, Selaginopsis cornigera, Selaginopsis trilateralis and Selagiopsis pinnata). They were sampled from the depths below 100m. Of 41 species Sertularellla miurensis is the most common species and 10 species, Dynamena cornicina, Sertularella distans, Sertularella lagenoides, Sertularella areyi, Sertularella pedrensis, Sertularella gayi, Sertularia hattorii, Sertularia turbinata, Thuiaria plumosa and Thuiaria articulata are scarcesly founded in Korean waters. 25 out of 41 species are shared with Japan and the remaining 16 species so far have been unknown from Japan. The coastal waters of Korea are divided into three regions, the East Sea, the South Sea and the Yellow Sea, on the basis of the geographical distribution and the community coefficient. Concerning the distribution in each region, 11 species occur in the East Sea, 39 species in the South Sea and 23 species in the Yellow Sea The community coefficient between the South Sea and Yellow Sea(0.733) is higher than those of the South Sea-the East Sea (0.476) and the East Sea-the Yellow Sea(0.438).