Evolutionary morphology of whip spiders: towards a phylogenetic system (Chelicerata: Arachnida: Amblypygi)*

Evolutionary morphology of whip spiders: towards a phylogenetic system (Chelicerata: Arachnida: Amblypygi)*
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鞭蜘蛛的进化形态:朝向系统发育系统(螯肢动物:蛛形纲:Amblypygi)*

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发表时间:
2009
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通讯作者:
P. Weygoldt
P. Weygoldt
中科院分区:
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文献类型:
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作者:
P. Weygoldt

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本研究的目的是提出一个分支图和系统发育系统,并以此来讨论Amblypygi的系统发育和系统地理。共29个形态结构进行了研究,他们的近晶和近晶字符或字符状态进行了鉴定,并分析了由此产生的数据矩阵。因此,“旧的”Charontidae或Pulvillata出现为一个并系群; Paracharon属是所有其他Amblypygids的姐妹群,现在被称为Euamblypygi。“新的”Charontidae(感觉Quintero:属Stygophrynus和Charon)是Phrynida或Apulvillata的姐妹群;他们一起形成Neoamblypygi。根据现有的资料,不能解决Charinidae属间的关系。它们可能是一个并系群。Catageus属可能是Neoamblypygi的姐妹群。新的系统允许讨论鞭蛛的生殖发育和进化史。它还指出了未解决的类群,从而表明未来的研究应该解决的问题。
The aim of this study is to present a cladogram and phylogenetic system and to use this to discuss the phylogeny and biogeography of the Amblypygi. A total of 29 morphological structures were studied, their plesiomorphic and apomorphic characters or character states were identified, and the resulting data matrix was analysed. As a result, the ‘old’Charontidae or Pulvillata emerge as a paraphyletic group; the genus Paracharon is the sister group of all other amblypygids, which are now termed Euamblypygi. The ‘new’Charontidae (sensu Quintero: the genera Stygophrynus and Charon) are the sister group of the Phrynida or Apulvillata; together they form the Neoamblypygi. The relationships of the genera of the Charinidae cannot be resolved with the available data. They may be a paraphyletic group. The genus Catageus is a possible candidate for being the sister group of the Neoamblypygi. The new system allows a discussion of the phylogeny and biogeography of whip spiders. It also points to unresolved taxa and thus indicates the questions future research should address.