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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Tan, Jingjing Wang, Yongjie Ren, Dong Yang, Xingke |
| Abstract | Background Ommatidae is arguably the “most ancestral” extant beetle family. Recent species of this group are only found in South America and Australia, but the fossil record reveals a much broader geographical distribution in the Mesozoic. Up to now, thirteen fossil genera with more than 100 species of ommatids have been described. However, the systematic relationships of the extant and extinct Ommatidae have remained obscure. Three constraint topologies were designed based on Kirejtshuk’s hypothesis, enforced the monophyly of Tetraphalerus + Odontomma, Pareuryomma + Notocupes and both respectively. Results In this study, four new species, Pareuryomma ancistrodonta sp. nov., Pareuryomma cardiobasis sp. nov., Omma delicata sp. nov., and Tetraphalerus decorosus sp. nov., are described. Based on well-preserved fossil specimens and previously published data the phylogenetic relationships of extant and extinct lineages of Ommatidae were analyzed for the first time cladistically. Based on the results we propose a new classification with six tribes of Ommatidae: Pronotocupedini, Notocupedini, Lithocupedini, Brochocoleini, Ommatini and Tetraphalerini. These taxa replace the traditional four subfamilies. Conclusion There is good support for the monophyly of the ingroup. Notocupedini, as defined by Ponomarenko, are paraphyletic. Notocupoides + Eurydictyon are the sister group of the remaining fossil and extant ommatids. Together they form the clade Pronotocupedini. Notocupedini and Lithocupedini are the next two branches. The tribe Brochocoleini is the sister group of a clade comprising Tetraphalerini and Ommatini. |
| Related Links | https://bmcecolevol.biomedcentral.com/counter/pdf/10.1186/1471-2148-12-113.pdf |
| Ending Page | 19 |
| Page Count | 19 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 27307182 |
| DOI | 10.1186/1471-2148-12-113 |
| Journal | BMC Ecology and Evolution |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2012-07-09 |
| Access Restriction | Open |
| Subject Keyword | Evolutionary Biology Animal Systematics Taxonomy Biogeography Entomology Genetics and Population Dynamics Life Sciences Omma Tetraphalerus Ommatidae New species Mesozoic China Animal Systematics/Taxonomy/Biogeography |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology, Evolution, Behavior and Systematics |
| Journal Impact Factor | 2.3/2023 |
| 5-Year Journal Impact Factor | 2.3/2023 |
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