来自澳大利亚Gippsland Lakes的Caprella的新物种，1890年来自日本北部

Pub Date : 2022-03-09 DOI:10.3853/j.2201-4349.74.2022.1778

I. Takeuchi, Kohsei Nagano, S. Keable

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引用次数: 0

摘要

Caprella acanthoaster Mayer，1890 sensu lato（甲壳纲：两栖目：Caprellidae）以前曾在远东和澳大利亚的温带和寒冷水域被记录。对从吉普斯兰湖（澳大利亚维多利亚州）和大槌湾（日本东北区）采集的标本进行了详细的形态学比较，结果表明，这些地区的C.acanthoaster sensu lato包括两个独立的物种。据证实，1890年在日本北部有分布。塔姆博恩小蠊（Caprella tamboensis sp.nov.）存在于澳大利亚维多利亚州和塔斯马尼亚州，与严格意义上的棘腹小蠊最显著的不同之处在于，在颚足类2的前足类手掌上有一个相对较短的三角形突起，而触角1的蒂类2相对较长（比类3长）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A new species of Caprella (Crustacea: Amphipoda: Caprellidae) from Gippsland Lakes, Australia, with a redescription of Caprella acanthogaster Mayer, 1890 from northern Japan

Caprella acanthogaster Mayer, 1890 sensu lato (Crustacea: Amphipoda: Caprellidae) has previously been recorded from temperate and cold waters of Far East Asia and Australia. A detailed morphological comparison of specimens collected from Gippsland Lakes (Victoria, Australia) and Otsuchi Bay (Tohoku District, Japan) revealed that C. acanthogaster sensu lato from these regions comprises two separate species. Caprella acanthogaster Mayer, 1890 sensu stricto is confirmed to be distributed in northern Japan. Caprella tamboensis sp. nov. is present in Victoria and Tasmania, Australia, and most noticeably differs from C. acanthogaster sensu stricto in having a relatively short triangular projection on the palm of propodus of gnathopod 2 and a relatively longer peduncle article 2 of antenna 1 (being longer than article 3).

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