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Psolus salottii Mackenzie and Whitfield 2011

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Zenodo2024-06-21 更新2024-06-25 收录
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Psolus salottii Mackenzie and Whitfield, 2011 Table 1, Figure 1 Material examined. Macquarie Ridge: NIWA 39894 (1) Stn TAN0803/48, 51.09°S 161.97°E, 462–524 m, 04/04/2008; NIWA 39928 (2) Stn TAN0803/48, 51.09°S 161.97°E, 462–524 m, 04/04/2008; NIWA 39979 (3) Stn TAN0803/52, 51.04°S 161.98°E, 506–560 m, 04/04/2008; NIWA 39993 (4) Stn TAN0803/52, 51.04°S 161.98°E, 506–560 m, 04/04/2008; NIWA 40010 (3) Stn TAN0803/52, 51.04°S 161.98°E, 506–560 m, 04/04/2008; NIWA 40047 (1) Stn TAN0803/53, 51.04°S 162.01°E, 398–489 m, 05/04/2008; NIWA 40355 (18) Stn TAN0803/71, 52.34°S 160.68°E, 488–542 m, 09/04/2008; NIWA 40396 (14) Stn TAN0803/71, 52.34°S 160.68°E, 488–542 m, 09/04/2008. Description. See Whitfield and Mackenzie (2011). The material examined matches the description well, and we make the following additions: Psolus salottii Whitfield and Mackenzie, 2011, up to 71 mm length (NIWA 40355), 54 mm wide, 29 mm high. Oral valves large and inconsistent in shape, ranging from rectangular with blunt ends to approximately triangular with pointed tips. Valves usually 10; always greater than 5. Colour. Preserved: white. Distribution. South Australia, Macquarie Ridge (Whitfield and Mackenzie, 2011) and this paper, 400– 600 m. Remarks. The original description was based on one holotype specimen from southern Australia and four paratypes from Macquarie Island. We found an additional 46 specimens, confirming and extending the Whitfield and Mackenzie (2011) description. The dome-like lumps on the dorsolateral scales are not always visible, and they may only be on a few scales. The multilayered ossicles in the preparation are always distinctly dome-like and provide a useful diagnostic character for this species.

萨洛特柄体参 *Psolus salottii* Mackenzie & Whitfield, 2011 表1、图1 检视标本。麦夸里海岭:NIWA 39894(1号标本),站位TAN0803/48,南纬51.09°、东经161.97°,水深462–524米,2008年4月4日;NIWA 39928(2号标本),站位TAN0803/48,南纬51.09°、东经161.97°,水深462–524米,2008年4月4日;NIWA 39979(3号标本),站位TAN0803/52,南纬51.04°、东经161.98°,水深506–560米,2008年4月4日;NIWA 39993(4号标本),站位TAN0803/52,南纬51.04°、东经161.98°,水深506–560米,2008年4月4日;NIWA 40010(3号标本),站位TAN0803/52,南纬51.04°、东经161.98°,水深506–560米,2008年4月4日;NIWA 40047(1号标本),站位TAN0803/53,南纬51.04°、东经162.01°,水深398–489米,2008年4月5日;NIWA 40355(18号标本),站位TAN0803/71,南纬52.34°、东经160.68°,水深488–542米,2008年4月9日;NIWA 40396(14号标本),站位TAN0803/71,南纬52.34°、东经160.68°,水深488–542米,2008年4月9日。 形态描述 参见Whitfield与Mackenzie(2011)的研究成果。本次检视的标本与原描述匹配度良好,补充以下内容:萨洛特柄体参(标本编号NIWA 40355)最大体长可达71 mm,体宽54 mm,体高29 mm。口板宽大且形态多变,涵盖末端钝圆的矩形至顶端尖锐的近三角形等类型。口板数量通常为10个,始终多于5个。 体色 保存标本通体白色。 分布 澳大利亚南部、麦夸里海岭(Whitfield & Mackenzie, 2011),本次研究的标本采集水深范围为400–600米。 讨论 原描述基于采自澳大利亚南部的1号正模标本以及麦夸里岛的4号副模标本。本次研究新增46号标本,验证并拓展了Whitfield与Mackenzie(2011)的形态描述。背侧鳞片上的圆顶状突起并非恒定可见,且可能仅分布于部分鳞片。制片标本中的多层骨片始终呈现明显的圆顶状结构,这是该物种极具实用性的鉴别特征。

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Davey, Nicola
创建时间:
2024-06-21
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