Redescription of Hypsibius microps Thulin, 1928 and H. pallidus Thulin, 1911 (Eutardigrada : Hypsibiidae) based on the type material from the Thulin collection
Redescription of Hypsibius microps Thulin, 1928 and H. pallidus Thulin, 1911 (Eutardigrada : Hypsibiidae) based on the type material from the Thulin collection
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根据 Thulin 收藏中的模式材料，重新描述 Hypsibius microps Thulin, 1928 和 H. pallidus Thulin, 1911（Eutardigrada：Hypsibiidae）
DOI：
10.11646/zootaxa.2275.1.4
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发表时间：
2009
期刊：
影响因子：
0.9
通讯作者：
Ł. Michalczyk
中科院分区：
文献类型：
--
作者：
Ł. Kaczmarek;Ł. Michalczyk
根据 Thulin 收集的模式材料，重新描述了 Hypsibius 属的两个物种：H. microps 和 H. pallidus。这两个物种彼此非常相似，过去它们的识别主要基于外爪形态（识别常常是可疑和主观的）。在这项研究中，我们描述了这两个物种之间的进一步差异。除了爪形态外，苍白苍白鲨与微型苍白鲨的不同之处在于：体型更大、颊管更宽、鳞状体和鳞状体排更长以及咽部更长。这两个物种与属于杜雅尔迪尼族的其他物种的不同之处还在于，它们具有颗粒状而不是棒状的大板状体，并且第一个大板状体不存在收缩。
Two species of the genus Hypsibius, H. microps and H. pallidus, are redescribed based on the type material from the Thulin collection. Those two species are very similar to each other and in the past their identification was based mostly on external claw morphology (identifications were very often doubtful and subjective). In this study we describe further differences between these two species. Apart from the claw morphology, H. pallidus differs from H. microps by: a larger body size, a wider buccal tube, longer placoids and placoid row and a longer pharynx. These two species differ also from other species attributed to the dujardini group by having granular rather than rod-shaped macroplacoids and by the absence of a constriction in the first macroplacoid.