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| 中国海金环螺科 (软体动物门: 腹足纲) 一新记录种 |
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徐玉山1, 卢学强2, 张树乾3, 张均龙3, 于丹1, 冯剑丰2, 柯滢2, 张亚楠1, 江洪友1, 王麒麟4
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1.自然资源部天津海洋中心;2.南开大学环境科学与工程学院;3.中国科学院海洋研究所;4.天津市水产研究所
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| 摘要: |
| 2018年~2022年在渤海湾大型底栖动物调查中采集到多个微小型腹足类标本, 经分类学研究发现它们为入江拟新螺Pseudonoba yendoi (Yokoyama, 1927), 该种之前未在中国报道, 为中国新记录种。本文中对其贝壳、厣的形态进行了拍照和测量, 并利用扫描电子显微镜对其齿舌进行了观察。此外, 对该种在渤海的分布情况和生态习性进行了讨论。入江拟新螺属于耐污种，主要分布于泥砂质底质环境中，在我国渤海湾近岸海域分布密度较高。入江拟新螺在我国的发现不仅提升了海洋生物多样性认知, 同时也表明我国对海洋底栖生物特别是微小型生物的调查和研究仍需进一步加强。 |
| 关键词: 入江拟新螺 微小型腹足类 渤海湾 天津 齿舌 新记录种 |
| DOI： |
| 分类号:Q595 |
| 基金项目:国家重点研发计划项目（2024YFF1306800）; 北海局科技创新赋能海洋事业高质量发展三年行动方案（2023-2025年）（2024B42-STC） |
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| A new record species of Iravadiidae from China (Mollusca: Gastropoda) |
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XU Yu-shan1, LU Xue-qiang2, ZHANG Shu-qian3, ZHANG Jun-long3, YU Dan1, FENG Jian-feng2, KE Ying2, ZHANG Ya-nan1, JIANG Hong-you1, wangqilin4
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1.Tianjin Ocean Center, Ministry of Natural Resources;2.College of Environmental Science and Engineering, Nankai University;3.Institute of Oceanology, Chinese Academy of Sciences;4.Tianjin Fisheries Research Institute
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| Abstract: |
| From 2018 to 2022, several microgastropod specimens were collected during the Bohai Bay macrobenthic survey. Morphological observations of the specimens suggest that they belong to Pseudonoba yendoi (Yokoyama, 1927). This species is a new record to Chinese waters. In this study, the shells and operculum were photographed and measured, and radula was studied using scanning electron microscopy. In addition, the distribution and ecological habits of this species in the Bohai Sea are discussed. This marine snail belongs to the pollution-tolerant species, mainly distributed in muddy-sandy sediment, with a high density of distribution in the coastal waters of the Bohai Sea. The discovery of this species in China not only enhances the knowledge of marine biodiversity, but also indicates that the investigation and research on marine benthic organisms, especially micro- and small-sized organisms, still need to be further strengthened. |
| Key words: Pseudonoba yendoi microgastropod Bohai Bay Tianjin Radula new record |