• Animal Systematics, Evolution and Diversity
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• v.24 no.2
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• pp.179-183
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• 2008

Some hydroid specimens were collected by SCUBA diving from 10-25 m deep at Uljin (Nagok) and Jejudo Island (Munseom, Beomseom, Supseom). Among the identified species, three species Eudendrium racemosum (Gmelin, 1791), Sertularella diaphana(Allman, 1886) and Schizotricha divergens Naumov, 1960 are new to the Korean fauna.

• Animal Systematics, Evolution and Diversity
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• v.23 no.1
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• pp.51-56
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• 2007

Some hydroid specimens were collected from Jejudo Island (Seogwipo, Biyangdo, Marado, Mundo) by SCUBA diving. They were identified into Pennaria disticha Goldfuss, 1820 of the order Athecatae, and Hydrodendron leloupi Hirohito, 1983; Nemertesia ciliata Bale, 1914; Haliaria vegae $J\"{a}derholm$, 1903 of the order Thecatae. They were new to the Korean fauna.

• Animal Systematics, Evolution and Diversity
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• v.26 no.1
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• pp.67-70
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• 2010

Some physonect and cystonect siphonophores were collected from the East Sea ($36^{\circ}30'124'N$ and $130^{\circ}06'446'E$) with horizontal plankton net on May and Oct. 2001. Among them the following two species were turned out to be new to the Korean fauna: Bathyphysa grimaldii Bedot, 1893; Agalma okenii Eschscholtz, 1825.

• Animal Systematics, Evolution and Diversity
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• v.27 no.1
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• pp.89-92
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• 2011

Hydroid specimens were collected from the coasts of Isl. Jeongjokdo (Taean) and Gampo Harbour, Korea, on 10 May and 19 October 2010. Two of the species identified as Sertularia tenera G.O. Sars 1874 and Plumularia halecioides Alder 1859 are new to Korean fauna. They are described with illustrations.

• Animal Systematics, Evolution and Diversity
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• v.25 no.1
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• pp.81-85
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• 2009

Some hydroid specimens were collected from 10-14 m deep of Munseom (Jejudo Is.) on 22 June 2007, and from 20-25 m deep of Nagokkkottdongsan (Uljin) on 10 Jan. 2008 by SCUBA diving. Among the identified species, the following three species, Solanderia spinosa (Carter, 1892), Lafoea dumosa (Fleming, 1828) and Rhizocaulus verticillatus (Linnaeus, 1758) were turned out to be new to the Korean fauna.

• Proceedings of the Zoological Society Korea Conference
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• 1998.10b
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• pp.153.2-153
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• 1998

No Abstract, See Full Text

• Animal Systematics, Evolution and Diversity
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• v.21 no.2
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• pp.201-205
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• 2005

Some siphonophores were collected from the Korea Strait, $33^{\circ}59'N-129^{\circ}17'E$ and Yeosu with Issacs-Kidd Midwater trawl net in Sep. 2002. They were identified into Diphyes chamissonis is Huxley, 1859 and Abylopsis eschscholtzi(Huxley, 1859) in the suborder Calycophorae of the order Siphonophora, respectively. They are new to the Korean fauna. As a result of this work, six siphonophores of four families have been reported in Korea.

• Animal Systematics, Evolution and Diversity
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• v.32 no.3
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• pp.197-206
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• 2016

Two cold-water coral taxa, Octocorallia in the class Anthozoa and Stylasteridae in the class Hydrozoa, were identified. Deep-water samples were collected in fishing nets at depths ranging between 20 and 200 m along the coasts of the East Sea in Korea from 1976 to 1993. The two species found in this study represent new records for Korea: Paragorgia arborea (Linnaeus, 1758) in the class Anthozoa, and Stylaster profundiporus Broch, 1936 in the class Hydrozoa. Two families, Paragorgiidae and Stylasteridae, are also newly recorded in Korea. Furthermore, the species name of another cold-water gorgonian species, Primnoa pacifica (Kinoshita, 1907) in the family Primnoidae, is amended in this report. The two newly recorded cold-water coral species from Korea are described in detail based on their morphological characteristics. Paragorgia arborea is characterized by its growth form, medulla and cortex, zooid dimorphism, canal system, and spicule composition. Stylaster profundiporus is distinguished by its external skeletal characteristics, such as the coordination of dactylopores and gastropores, presence or absence of gastrostyles and dactylostyles, cyclosystem orientation, ampullar position, gastropore tube shape, and coenosteal texture.

• Animal Systematics, Evolution and Diversity
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• v.23 no.2
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• pp.175-181
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• 2007

Some hydromedusae were collected from Gijang (Busan), Yeounggwang, Munseom (Jejudo Is.) and Shinhangman with Issacc-Kidd Midwater trawl net or by SCUBA diving from 2001 to 2003. They were identified into five species of five families in three orders and are new to the Korean fauna. Bougainvillia ramosa (van Benenden, 1844) of the family Bougainvilliidae in the order Anthomedusae, Phialidium hemishaericum (Linne, 1767) of the family Campanulariidae and Aeguorea macrodactyla of the family Aequoreidae in the order Leptomedusae, Diphyes dispar (Chamisso and Eysenhardt, 1821) of the family Diphydae and Abylopsis tetragona (Otto, 1823) of the family Abylidae in the order Siphonophora. With a result of this work, the Korean hydromedusa fauna consists of 31 species of 18 families in six orders.

• Animal Systematics, Evolution and Diversity
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• v.37 no.4
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• pp.335-339
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• 2021

In 2020, during a survey of cnidarian fauna around Chuja-do locating in the northern part of Jeju-do, Korea, several hydroids were collected from the subtidal zone by SCUBA diving. Through taxonomic examination, one unrecorded species, Hydrodendron stechowi Hirohito, 1995, was found in Korea. It was newly added to the list of Korean hydrozoan fauna. This species was discovered for the first time since its first report as a new species in Japan. Their vivid orange-colored colonies were attached to the sponge on rocky substrate between depths of 15 and 20 m. Thus, a total of five species belonging to genus Hydrodendron, including the species reported in this study, have been reported in Korean waters so far.