期刊
ZOOLOGICA SCRIPTA
卷 37, 期 6, 页码 647-650出版社
WILEY
DOI: 10.1111/j.1463-6409.2008.00345.x
关键词
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资金
- German Science Foundation [BA2152/3-1, 3-2]
- EU SYTHESYS [GB-TAF 2811, ES-TAF 193, 2197]
- Natural History Museum
The family Meruidae has been established recently for the newly discovered species Meru phyllisae Spangler & Steiner, 2005 from Southern Venezuela. These beetles are morphologically highly distinct and at a body length of 0.8 mm represent the perhaps smallest individuals of Adephaga. Here, we use DNA sequence data to place this enigmatic taxon relative to other aquatic groups in this suborder. Meruidae was most closely associated with Noteridae, supporting a previous analysis of morphological structures which had suggested this sister relationship, albeit with weak support. While different alignment strategies did not affect the topology, the precise placement of Meruidae was affected by the choice of tree reconstruction method. Bayesian inference suggests a sister relationship of Meruidae + Noteridae, while parsimony analyses retrieve Meruidae + Notomicrus (a basal noterid genus), which combined are the sister group of all remaining Noteridae. Considering morphological evidence, the former placement appears more plausible.
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