Halechiniscidae (Heterotardigrada,Arthrotardigrada) of Oura Bay,Okinawajima, Ryukyu Islands,with descriptions of three new species |
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Authors: | Shinta Fujimoto |
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Affiliation: | 1.Department of Zoology, Division of Biological Science, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan |
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Abstract: | Marine tardigrades of the family Halechiniscidae (Heterotardigrada: Arthrotardigrada) are reported from Oura Bay, Okinawajima, one of the Ryukyu Islands, Japan, including Dipodarctus sp., Florarctuswunaisp. n., Halechiniscuschurakaagiisp. n., Halechiniscusyanakaagiisp. n. and Styraconyx sp. The attributes distinguishing Florarctuswunaisp. n. from its congeners is a combination of two characters, the smooth dorsal cuticle and two small projections of the caudal alae caestus. Halechiniscuschurakaagiisp. n. is differentiated from its congeners by the combination of two characters, the robust cephalic cirrophores and the scapular processes with flat oval tips, while Halechiniscusyanakaagiisp. n. can be identified by the laterally protruded arched double processes with acute tips situated dorsally at the level of leg I. A list of marine tardigrades reported from the Ryukyu Islands is provided. |
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Keywords: | Meiobenthos, northwestern Pacific, subtidal, subtropic, taxon-name" > phylum" >Tardigrada, taxonomy |
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