A new species of Amphictene (Annelida, Polychaeta, Pectinariidae) from off Kushiro, Hokkaido, Japan

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  • Nishi Eijiroh
    College of Education, Yokohama National University
  • Tomioka Shinri
    Rishiri Town Museum
  • Jimi Naoto
    Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University Centre for Marine and Coastal Studies, Universiti Sains Malaysia
  • Fujiwara Yoshihiro
    JAMSTEC, Research Institute for Global Change, Deep-Sea Biodiversity Research Group
  • Kupriyanova Elena K.
    Australian Museum Research Institute, Australian Museum Department of Biological Sciences, Macquarie University

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  • A new species of <i>Amphictene</i> (Annelida, Polychaeta, Pectinariidae) from off Kushiro, Hokkaido, Japan

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<p>We describe here a new species of Amphictene (Annelida, Polychaeta, Pectinariidae) from a depth of 1160 m off Kushiro, East Hokkaido, Japan. Amphictene hokkaido sp. nov. is characterized by the presence of following characters: a pair of ventral lappets in segment 1; ventro-median lobes in segments 2–4; anterior conical or rounded lappets on ventro-lateral lobe of segment 2; dorso-lateral pads in segments 3 and 4; 17 segments with chaetae on notopodia, 13 segments with uncini on neuropodia; notopodia in segment 21 with notopodial lappets beneath chaetal tuft; neuropodial uncini with 4–5 main teeth and subrostral process on basal prow; 7–9 pairs of scaphal hooks; scaphe with anterior median lobe and four pairs of lateral lobes; anal lobe with an anal cirrus and a row of postero-ventral minute cirri. We provide a diagnostic key to species of the genus.</p>

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  • Plankton and Benthos Research

    Plankton and Benthos Research 19 (1), 51-59, 2024-02-28

    日本プランクトン学会、日本ベントス学会

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