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头部解剖结构和系统发生基因组学表明，石炭纪巨虫属于倍足纲/唇足纲的一个演化支。

Head anatomy and phylogenomics show the Carboniferous giant belonged to a millipede-centipede group.

机构信息

Universite Claude Bernard Lyon 1, CNRS, ENS de Lyon, LGL-TPE UMR 5276, F-69622 Villeurbanne.

Universite Claude Bernard Lyon 1, LEHNA UMR 5023, CNRS, ENTPE, F-69622, Villeurbanne, France.

出版信息

Sci Adv. 2024 Oct 11;10(41):eadp6362. doi: 10.1126/sciadv.adp6362. Epub 2024 Oct 9.

DOI:10.1126/sciadv.adp6362
PMID:39383233
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11463278/
Abstract

The Carboniferous myriapod is the largest arthropod of all time, but its fossils are usually incomplete, limiting the understanding of its anatomy, ecology, and relationships. Micro-computed tomography applied to exceptionally preserved specimens from the Carboniferous Montceau-les-Mines Lagerstätte (France) reveals unprecedented details of its functional anatomy, such as the head and mouthparts. shares features with both millipedes and centipedes. Total-evidence phylogeny combining morphological and transcriptomic data resolves alone as a stem group millipede, but the inclusion of the highly incomplete Siluro-Devonian draws it deeper into the myriapod stem. suggests transitional morphology between clades united primarily by molecular information and underscores the value of total-evidence phylogenetics to understanding evolutionary history.

摘要

石炭纪多足动物是有史以来最大的节肢动物，但它的化石通常不完整，限制了对其解剖结构、生态学和关系的理解。应用于来自法国蒙泰日莱米讷（Carboniferous Montceau-les-Mines Lagerstätte）的保存异常完好的标本的微计算机断层扫描揭示了其功能解剖结构的前所未有的细节，例如头部和口器。与蜈蚣和千足虫都有共同特征。结合形态学和转录组数据的总证据系统发育将其单独解析为一个原始多足类群，但包括高度不完整的志留纪-泥盆纪的 ，将其更深地拉进多足类群的主干。表明在主要由分子信息联合的支系之间存在过渡形态，强调了总证据系统发育对于理解进化历史的价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/2016dd8ee53a/sciadv.adp6362-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/20478c121b45/sciadv.adp6362-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/25f1d6811236/sciadv.adp6362-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/a16b00841baa/sciadv.adp6362-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/2016dd8ee53a/sciadv.adp6362-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/20478c121b45/sciadv.adp6362-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/f11cd693a761/sciadv.adp6362-f2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/17a316c0ffc9/sciadv.adp6362-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/0357e2dd0b6f/sciadv.adp6362-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/25f1d6811236/sciadv.adp6362-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/a16b00841baa/sciadv.adp6362-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c56/11463278/2016dd8ee53a/sciadv.adp6362-f8.jpg

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