The smallest Palaeodictyoptera (Insecta) discovered at Xiaheyan (Late Carboniferous, China)
The smallest Palaeodictyoptera (Insecta) discovered at Xiaheyan (Late Carboniferous, China)
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在夏河沿（中国晚石炭世）发现的最小的古网翅目（昆虫纲）
DOI：
10.1016/j.crpv.2015.05.013
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发表时间：
2015-07
影响因子：
1.1
通讯作者：
Dong Ren
中科院分区：
文献类型：
--
作者：
Xin Liu;Olivier Béthoux;Xiangchu Yin;Dong Ren
Fossil insects of the Late Carboniferous have been popularized as lost giants of the past. However, their small contemporaries are very poorly known. In this paper, we report the discovery of the smallest known member of the Palaeodictyoptera, an extinct group of sap-feeders including some of the largest insects ever known. The new representative, Tytthospilaptera wangae, collected at the Xiaheyan locality (Ningxia, China; early Late Carboniferous), belongs to the Spilapteridae and had a wing span of only about 2 cm. Observed veins elevation is best explained by a simple (convex) MA with a (concave) branch of MP translocated onto it. This pattern is congruent with the one involving a series of ‘simple anterior sectors and branched posterior sectors’, observed in many Palaeodictyoptera families. We compiled size data on the corresponding superfamily (viz., the Spilapteroidea). The available sample is found insufficient to adequately test the hypothesis of a global effect of an elevated atmospheric p O 2 on the size of these insects during the late Late Carboniferous vs. that of a lineage-specific trend possibly driven by an arms race in size. More intensive sampling appears necessary to address such evolutionary questions.
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影响因子：
2.1
作者：
F. Hemming
通讯作者：
F. Hemming
影响因子：
0.5
作者：
R. Beckemeyer;G. Byers
通讯作者：
R. Beckemeyer;G. Byers
DOI：
--
发表时间：
--
期刊：
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影响因子：
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通讯作者：
A. Lameere
DOI：
--
发表时间：
2002
期刊：
--
影响因子：
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作者：
Luo Liwu
通讯作者：
Luo Liwu
DOI：
10.5962/bhl.title.65984
发表时间：
--
期刊：
--
影响因子：
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作者：
C. Brongniart
通讯作者：
C. Brongniart