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Three newly recorded species of Korean fouling bryozoans
채현숙,양호진,민범식,노권우,이동희,서지은 국립생물자원관 2022 Journal of species research Vol.11 No.3
We found three fouling bryozoans from the materials collected from seven localities (ports, yacht marina, intertidal and subtidal zones) in the coastal seas of South Korea from 2003 to 2021. These three species, Thalamoporella californica (Levinsen, 1909), Scruparia ambigua (d’Orbigny, 1841), and Tricellaria inopinata d’Hondt and Occhipinti Ambrogi, 1985, and one genus Scruparia Oken, 1815 are newly added to the Korean bryozoan fauna. Of the three species, Scruparia ambigua and Tricellaria inopinata are cosmopolitan or widespread, and Thalamoporella californica is from the East Pacific Ocean in tropical/temperate water. It seems that some of the previously reported T. occidentalis in Korea have a high probability of being T. inopinata. In this study, some Tricellaria occidentalis reported by Seo (2005) are synonymized into T. inopinata. A total of 77 species of fouling bryozoans has been reported in Korea, with three new bryozoans resulting from this study. Descriptions and illustrations of the three fouling bryozoans using scanning electron microscopy are provided in this study.
Four Korean Cyclostomatous Bryozoans - new additions to the Korean fauna
채현숙,길현종,서지은,Kamil Zágoršek 국립생물자원관 2018 Journal of species research Vol.7 No.4
Four cyclostomatous bryozoans from Korea belong to the genera Bicrisia, Nevianipora, Tubulipora and Crisia are described here for the first time. Of which, Bicrisia erecta Mawatari & Mawatari, 1973, Nevianopora pulcherrima (Kirkpatrick, 1890) and Tubulipora similis Liu in Liu, Yin & Ma, 2001 are newly added to the Korean bryozoan fauna, and Crisia spissus n. sp. is new to science. These species in this study are identified based on three features, which are its pseudopore, gonozooids and ooeciostomes. Two genera, Bicrisia and Nevianopora, are new to the Korean bryozoan fauna. As a result of this study, nine Korean cyclostomatous bryozoans in seven genera, five families are reported.
Taxonomic study of freshwater bryozoans from Jeju Island, Korea
채현숙,길현종,서지은 국립생물자원관 2017 Journal of species research Vol.0 No.-
This study aims to investigate the freshwater bryozoans of Jeju Island off the Korean Peninsula for the first time. To date, twelve species has been reported from the mainland of Korea. However, no study of freshwater bryozoans has ever been conducted on Korean islands including Jeju Island, which is the largest island in Korea. Five species in three genera Fredericella, Plumatella and Stephanella, from Jeju Island are described. Of which, three species, Fredericella indica, Plumatella mukaii and P. rugosa, are new records of Korean bryozoan fauna. As a result of this study, the number of identified Korean freshwater bryozoans is now 15 species, including 12 phylactolaemates and three gymnolaemates.
Two Species of the Genus Disporella (Bryozoa: Cyclostomata) from Korea
채현숙,양호진,민범식,서지은 한국동물분류학회 2023 Animal Systematics, Evolution and Diversity Vol.39 No.1
This paper describes two cyclostomatous bryozoans belonging to the genus Disporella Gray, 1848 found in Korean waters. This study was carried out with the materials which were collected from two localities, Jodo Island and Gapado Island, from 2014 to 2015. It is known that the genus Disporella Gray, 1848 needs a thorough revision and is difficult to identify because it has been documented in very few of the nominal species. Approximately 58 species have been recognized worldwide. One species, Disporella novaehollandiae (D’Orbigny, 1853), has been reported from Korean waters so far. Two species, D. pristis (MacGillivray, 1884) and D. wanganuiensis (Waters, 1887), distributed in the Indo-Pacific, are newly added to the Korean bryozoans fauna in this study. Accordingly, the Korean cyclostomatous bryozoans have increased to 17 species, ten genera and five families. Descriptions and illustrations of the two Disporella species using scanning electron microscopy are provided in this paper.
Freshwater bryozoans of Korea-observations on living colonies and three new records
채현숙,길현종,양호진,서지은 국립생물자원관 2024 Journal of species research Vol.13 No.1
We performed a taxonomic study on Korean freshwater bryozoans with the materials collected from 70 localities during 2014 to 2016. A total of 14 Korean freshwater bryozoans are reported through this study. Among them, three Plumatellids, Plumatella fungosa (Pallas, 1768), P. repens (Linnaeus, 1758), and P. reticulata Wood, 1988, are newly added to the Korean fauna. Three species were redescribed with only their statoblasts: Lophopodella carteri, Plumatella rugosa, and Stephanosella hina (Seo, 1998; 2005; Chae et al., 2016). Their colonies were found in Korea for the first time in this study. Since Fredericella sultana, Hyalinella punctata, and Plumatella casmiana were reported from Korea (Toriumi, 1941), neither statoblast nor colony has been found, but we observed them. Living colonies of six species were photographed in the field. Furthermore, the statoblasts of nine species, including three species new to the Korean fauna, were also documented using scanning electron microscopy.
Fouling Bryozoa of Korean Ports and Harbours
채현숙,서지은 한국동물분류학회 2019 Animal Systematics, Evolution and Diversity Vol.35 No.4
This study aims to investigate the fouling bryozoans which attach to artificial structures of Korean ports and harbours. The materials have been collected from 56 sites during the period from 2008 to 2012. As a result of the present study, 40 species of fouling bryozoans were identified. The most abundant species are Bugula neritina (Linnaeus, 1758), Tricellaria occidentalis (Trask, 1857), Watersipora subtoquata (d’Orbigny, 1852), and Cryptosula pallasiana (Moll, 1803). Three species, Flustrellidra armata Grischenko, Seo and Min, 2010, Cauloramphus korensis Seo, 2001, and Parasmittina contraria Seo, 1993 are endemic to Korea. A total of 70 species of fouling bryozoans have been reported in Korea with 16 new bryozoans resulting from this study.
Crisiidae (Bryozoa: Cyclostomata) of Korea
채현숙,민범식,Kamil Zágoršek,양호진,길현종,서지은 국립생물자원관 2020 Journal of species research Vol.9 No.3
In the family Crisiidae (Bryozoa: Cyclostomata), 90 species have been recognized worldwide in seven genera: Bicrisia d̓Orbigny, 1853, Crisia Lamouroux, 1812, Crisidia Milne Edwards, 1838, Crisiella Borg, 1924, Crisiona Canu & Bassler, 1928, Filicrisia d̓Orbigny, 1853 and Unicrisia d̓Orbigny, 1853. Four species in Crisiidae are described from 11 localities from 2008 to 2014, resulting in two new distributional records and two new species in Korea. The new additions to the fauna are: Crisia cuneata Maplestone, 1905, C. elongata Milne Edwards, 1838, C. jejuensis n. sp. and Filicrisia cygnus n. sp. A total of seven Korean crisiids with the addition of four species reported herein are recorded and distributed in three genera: Bicrisia, Crisia and Filicrisia. Accordingly, the Korean cyclostomatous bryozoans come to be 12 species, in eight genera, and five families. All of Korean Crisia eburneodenticulata specimens needed to be reexamined, thus this species is tentatively deleted from the Korean bryozoan fauna.