What’s in a name? – Diatom classification should reflect systematic relationships.
What’s in a name? – Diatom classification should reflect systematic relationships.
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名称中包含什么？ – 硅藻分类应反映系统关系。
DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
E. Cox
中科院分区：
文献类型：
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作者：
E. Cox
目前每年都有大量的硅藻分类群被描述，分子数据集提供了系统发育证据，挑战了硅藻的传统系统排列，但这些信息是否被整合到分类中？传统的硅藻分类起源于鉴定的辅助手段，而不是表达感知关系的安排，鉴定的特征继续偏向分类描述。为命名目的而引用模式，导致了过于狭窄的分类单元描述;即模式被认为是分类单元的代表性标本（典型的），而它们可能并不位于一个分类单元的变异范围的中心。本文讨论了分类概念如何根据新的资料而发生变化，以及这种变化应反映在系统安排中。它提出了一些想法的字符选择和需要作出适当的比较之前，新的分类群竖立。超属分类的重要性也进行了讨论。
Large numbers of diatom taxa are currently being described each year and molecular data sets are providing phylogenetic evidence that challenges the traditional systematic arrangement of diatoms, but is such information being integrated into the classification? The traditional diatom classification originated as an aid to identification rather than as an arrangement expressing perceived relationships, and characters for identification continue to bias taxonomic descriptions. Reference to types for nomenclatural purposes has resulted in overly narrow taxon descriptions; i.e. types have been considered representative specimens (typical) of taxa, whereas they may not lie at the centre of the range of variation of a taxon. This paper discusses how taxonomic concepts are subject to change in the light of new data and that such changes should be reflected in the systematic arrangement. It presents some thoughts on character choice and the need to make appropriate comparisons before new taxa are erected. The importance of the suprageneric classification is also discussed.