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Abstract <p>The article elucidates the species composition of chitons of the genus <i>Placiphorella</i> distributed in boreal waters of the northwestern Pacific Ocean, including a new species, <i>P. kurilensis</i> sp. nov. This species inhabits only waters near the Kuril Islands at depths from 40 to 100 m. It has a uniform walnut coloration of tegmentum, sparse arrangement of bristles near the valves, and a ratio of the antemucronal area length to the length of the tail valve postmucronal area of 3.1–3.4.</p>

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Species Composition of Chitons of the Genus Placiphorella (Mollusca: Polyplacophora) in the Boreal Region of the Northwestern Pacific Ocean

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • B. I. Sirenko

摘要

Abstract

The article elucidates the species composition of chitons of the genus Placiphorella distributed in boreal waters of the northwestern Pacific Ocean, including a new species, P. kurilensis sp. nov. This species inhabits only waters near the Kuril Islands at depths from 40 to 100 m. It has a uniform walnut coloration of tegmentum, sparse arrangement of bristles near the valves, and a ratio of the antemucronal area length to the length of the tail valve postmucronal area of 3.1–3.4.