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Gregarinidra (Bryozoa: Gymnolaemata: Flustridae) of Korea
Hyun Sook Chae,Ho Jin Yang,Bum Sik Min,Ji Eun Seo The Korean Society of Systematic Zoology 2024 Animal Systematics, Evolution and Diversity Vol.40 No.1
Two species belonging to the genus Gregarinidra Barroso, 1949 (Bryozoa: Gymnolaemata: Flustridae) were first found in this study from Korean waters. Gregarinidra furcula n. sp. is new to science, and G. incrustans (Silén, 1941) is newly added to the Korean fauna. Species belonging to this genus are primarily distinguished by two characteristics: interzooidal avicularia and marginal spines. The pitchforked spines clearly distinguish G. furcula n. sp. from the other Gregarinidra species, and G. incrustans shows the difference by having blunt spines and short-triangular avicularia. Gregarinidra incrustans was known to be distributed only in Japan until this species was reported from the South Sea, Korea, in the present study. This study provides descriptions of two species with detailed illustrations by scanning electron microscopy, distributional data, and a taxonomic key to the Korean Gregarinidra species. With the addition of two species reported herein, four Korean Gregarinidra are recorded: G. corbula Seo, 1996, G. furcula new species, G. incrustans(Silén, 1941), and G. serrata (MacGillivray, 1869). Finally, Gregarinidra totals 10 species worldwide.
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.
Three species of Genus Aetea (Bryozoa: Cheilostomata: Aeteidae) from Korea
Chae, Hyun Sook,Min, Bum Sik,Yang, Ho Jin,Seo, Ji Eun The National Institute of Biological Resources 2017 Journal of species research Vol.6 No.no.spc
Three species in the genus Aetea (Bryozoa: Cheilostomata: Aeteidae) are described: Aetea anguina (Linnaeus, 1758), A. ligulata Busk, 1852, and A. truncata (Landsborough, 1852). Aetea ligulata Busk, 1852 and A. truncata (Landsborough, 1852) are new records of Korean bryozoan fauna. Four of the 17 species in the genus Aetea Lamouroux, 1812 are cosmopolitan or widespread. Three of these species (Aetea sica (Couch, 1844) was not observed) are reported in this study.
Three species of Genus Aetea (Bryozoa: Cheilostomata: Aeteidae) from Korea
채현숙,민범식,양호진,서지은 국립생물자원관 2017 Journal of species research Vol.0 No.-
Three species in the genus Aetea (Bryozoa: Cheilostomata: Aeteidae) are described: Aetea anguina (Linnaeus, 1758), A. ligulata Busk, 1852, and A. truncata (Landsborough, 1852). Aetea ligulata Busk, 1852 and A. truncata (Landsborough, 1852) are new records of Korean bryozoan fauna. Four of the 17 species in the genus Aetea Lamouroux, 1812 are cosmopolitan or widespread. Three of these species (Aetea sica (Couch, 1844) was not observed) are reported in this study.
A new species and new record of Pacificincolidae (Bryozoa: Cheilostomata) from Korea
Min, Bum Sik,Chae, Hyun Sook,Yang, Ho Jin,Noh, Geon Woo,Lee, Dong Hee,Seo, Ji Eun The National Institute of Biological Resources 2021 Journal of species research Vol.10 No.3
We performed a taxonomic study on Korean Pacificincolidae (Bryozoa: Cheilostomata) with the materials collected from 39 localities(ports, intertidal and subtidal zones) in the coastal seas of South Korea from 1981 to 2020. Korean Mucronella perforata reported by Rho and Seo (1985) turned out to be not Pacificincola perforata, but Primavelans glabricollaris n. sp. based on morphological data. Pacificincola perforata, which was transferred from Mucronella perforata (Okada and Mawatari, 1937), is also added to the Korean fauna. This study is the first to use mitochondrial 16S rRNA gene sequences to study the family Paficincolidae. The NJ analysis also reconfirmed the validity of the genus Primavelans, established on the basis of the early astogeny by De Blauwe in 2006, with the mitochondrial 16S rRNA sequences. The inter-genetic distance among two species belong to the Pacificincolidae was in the range of 13.39±1.83 mm. Primavelans glabricollaris n. sp. is thus distinguished from Pacificincola perforata with both morphological and molecular data. A new species, Primavelans glabricollaris, and a new record, Pacificincola perforata from Korea are herein described in detail and illustrated by scanning electron microscopy.
One New Species and One New Record of Electridae (Bryozoa: Cheilostomatida) from Korea
Hyun Sook Chae,Ho Jin Yang,Bum Sik Min,Ji Eun Seo The Korean Society of Systematic Zoology 2024 Animal Systematics, Evolution and Diversity Vol.40 No.1
A taxonomic study of the family Electridae Stach, 1937 (Bryozoa: Cheilostomatida) was carried out using materials collected from six localities of Korea from 1984 to 2021. Aspidelectra melolontha (Landsborough, 1852) is newly added to the bryozoan fauna of Korea, and Electra jindoica n. sp. is new to science. European A. melolontha is known to occur in brackish water of low salinity, but the species is found in New Zealand and Argentina seawater. This species is also reported as a fouling bryozoan from China and New Zealand. Electra jindoica n. sp. is distinguished by smaller zooid, larger kenozooid, and developed cryptocyst from E. asiatica Grischenko, Dick and Mawatari, 2007. With the addition of two species reported herein, six species and four genera of Electridae from Korea have been recorded: Aspidelectra melolontha, Arbopercula tenella, Conopeum hexagonum, C. reticulum, C. seurati, and Electra jindoica n. sp. Furthermore, the genera Aspidelectra and Electra are new to the Korean bryozoan fauna based on this study.
A New Species and a New Record of Escharoides (Bryozoa: Gymnolaemata: Flustridae) in Korea
Hyun Sook Chae,Ho Jin Yang,Bum Sik Min,Ji Eun Seo The Korean Society of Systematic Zoology 2024 Animal Systematics, Evolution and Diversity Vol.40 No.1
Two species from the genus Escharoides Milne Edwards, 1836, E. biseriatata and E. buffonellarioides n. sp. Were first found in Korean waters in this study. Their colonies were collected from two locations in the South Sea, Korea: Tongyeong Marine Ranch in 2004 and Daebyeon Port in 2009. Escharoides biseriatata shows a difference in the position of avicularia from the Chinese specimens. While avicularia are lateral to the orifice in Chinese specimens, the ones in Korean specimens seem to be located more latero-proximally. Since Escharoides biseriatata was reported as fouling bryozoans in China in 2001, this species first occurred at Daebyeon Port in Korea in this study. Escharoides buffonellarioides n. sp. is similar to E. adeonelloides in morphological features of zooids but is clearly distinguished by having the erect colonial form of small masses. With the addition of two species reported herein, four Korean Escharoides are recorded: E. biseriatata, E. buffonellarioides, E. excavata, and E. sauroglossa.
First Record of Bantariella bocki (Bryozoa: Ctenostomata) from Korean Waters
서지은,서승직,민범식 한국동물분류학회 2009 Animal Systematics, Evolution and Diversity Vol.25 No.1
A ctenostomatous bryozoan, Bantariella bocki is reported from Jejudo Island of South Korea. This is the first report from Korean waters. Each zooid is produced from each kenozooid which arranged in two and originated opposite each other at intervals of about 0.64 mm along the stolon. B. bocki collected from black corals is considered to be a invasive species introduced from Bonin Islands located in the subtropical waters. The redescription, some distributional remarks and illustrations of B. bocki are provided. A ctenostomatous bryozoan, Bantariella bocki is reported from Jejudo Island of South Korea. This is the first report from Korean waters. Each zooid is produced from each kenozooid which arranged in two and originated opposite each other at intervals of about 0.64 mm along the stolon. B. bocki collected from black corals is considered to be a invasive species introduced from Bonin Islands located in the subtropical waters. The redescription, some distributional remarks and illustrations of B. bocki are provided.
First Record of Bantariella bocki (Bryozoa: Ctenostomata) from Korean Waters
Seo, Ji-Eun,Suh, Seung-Jik,Min, Bum-Sik The Korean Society of Systematic Zoology 2009 Korean Journal of Systematic Zoology Special Issue Vol. No.
A ctenostomatous bryozoan, Bantariella bocki is reported from Jejudo Island of South Korea. This is the first report from Korean waters. Each zooid is produced from each kenozooid which arranged in two and originated opposite each other at intervals of about 0.64 mm along the stolon. B. bocki collected from black corals is considered to be a invasive species introduced from Bonin Islands located in the subtropical waters. The redescription, some distributional remarks and illustrations of B. bocki are provided.