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Two New Records of Hydromedusae (Cnidaria: Hydrozoa) in Korea  

Park, Jung-Hee (Department of Life Science, College of Natural Sciences, The University of Suwon)
Song, Jun-Im (Department of Life Science, College of Natural Sciences, Ewha Womans University)
Publication Information
Animal Systematics, Evolution and Diversity / v.20, no.1, 2004 , pp. 31-37 More about this Journal
Abstract
Some hydromedusae were collected from the coasts of Seogwipo(Jejudo Island), Hoenggando Island and Ilsanhaesuyokjang(Ulsan), Korea on July 11, 1985; July 23, 1990 and July 16, 1994. They were identified into Aequorea coerulescens (Brandt, 1838) of the order Leptomedusae, and Physalia physalis utriculus La Martiniere, 1829 of the Siphonophora, respectively. The unique morphological characteristics of A. coerulescens are smooth even surface of exumbrella, large mouth with 60 highly fringed oral lobes, shallow stomach, 120 simple radial canals and flat beret-shaped bell. In P. physalis utriculus its morphological characteristics are a triangular large pneumatophore with very low or rudimentary crest, a ribbon like long slender main tentacle, siphon-shaped gastrozooid with mouth, finger-shaped dactylozooid and branched gonozooid with gonophores. P. physalia. utriculus is the Pacific form and distinguished from the Atlantic form, P. p. physalis which has a much larger pneumatophore with high crest, numerous large main tentacles, and compact arrangement of basal and ventral cormidia. As a result of this work the Korean hydromedusan fauna consists of 15 species of five orders.
Keywords
taxonomy; hydromedusa; Korea;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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