Two New Species of Capitellidae (Annelida : Polychaeta) from Hokkaido, Northern Japan

  • Yabe Kaoru
    Division of Biological Sciences, Graduate School of Science, Hokkaido University
  • Mawatari Shunsuke F.
    Division of Biological Sciences, Graduate School of Science, Hokkaido University

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Abstract

Two new species of capitellid polychaetes are described from Hokkaido, northern Japan. Heteromastus tohbaiensis sp. nov. is very similar to H. filiformis (Claparede, 1864) and H. similis Southern, 1921, but differs from these species in having eye spots in mature specimens, distinct nodes on the thoracic hooded hooks, and by its small size. Barantolla orientalis sp. nov. is distinguished from its congeners in having the combination of an areolated thoracic epithelium, capillary setae on both rami in setigers 1-6, a caudal cirrus on the pygidium, and in the absence of branchiae on the abdominal segments.

Journal

  • Species Diversity

    Species Diversity 3 (2), 201-209, 1998

    The Japanese Society of Systematic Zoology

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