Taxa, Proceedings of the Japanese Society of Systematic Zoology
Online ISSN : 2189-7298
Print ISSN : 1342-2367
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Volume 55
Displaying 1-4 of 4 articles from this issue
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ARTICLES
  • Polychaetology
    Naoto Jimi
    2023 Volume 55 Pages 1-8
    Published: August 31, 2023
    Released on J-STAGE: September 08, 2023
    DOIhttps://doi.org/10.19004/taxa.55.0_1
    JOURNAL OPEN ACCESS
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    Polychaetes represent an immensely diverse taxonomic assemblage, encompassing approximately 12,000 species across 92 families. These organisms have a broad range of habitats, from the Arctic to the Antarctic, and spanning terrestrial environments to the hadal depths of the oceans. Polychaetes are one of the most prevalent taxonomic groups in ecological studies, both in terms of biomass and species richness. Consequently, taxonomic research on polychaetes is pivotal as it forms the foundational basis for various studies. This paper aims to provide an overview of the taxonomy of polychaetes and the research conducted within Japan and to deliberate on the research objectives that warrant further exploration.

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  • Larval cestodes of Anthobothrium sp. (Cestoda: “Tetraphyllidea”) parasitic on gills of Sepioteuthis lessoniana (Cephalopoda: Loliginidae) from Wakayama Prefecture, Japan
    Masato Nitta, Yu Matsumoto, Misako Urabe
    2023 Volume 55 Pages 9-14
    Published: August 31, 2023
    Released on J-STAGE: September 08, 2023
    DOIhttps://doi.org/10.19004/taxa.55.0_9
    JOURNAL OPEN ACCESS
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    Larval cestodes of Anthobothrium sp. (Cestoda: “Tetraphyllidea”) were collected from the gills of the bigfin reef squid, “shiroika” Sepioteuthis lessoniana Férussac in Lesson, 1832 (Cephalopoda: Loliginidae) collected off Shirahama in Wakayama Prefecture, Japan. These specimens were morphologically described with DNA information (28S rDNA and cox1) and reported as a new host record. In addition, records of Anthobothrium species in Japan were compiled, and a list of parasites and symbionts of S. lessoniana was provided.

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