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Beetle or roach: systematic position of the enigmatic Umenocoleidae based on new material from Zhonggou Formation in Jiuquan, Northwest China, and a morphocladistic analysis
Luo, Ci-Hang(罗慈航)1,2,3; Beutel, Rolf Georg4; Thomson, Ulysses R.1,2,5; Zheng, Da-Ran(郑大燃)1,2,6; Li, Jia-Hao(黎家豪)1,2,3; Zhao, Xian-Ye(赵显晔)1,2,3; Zhang, Hai-Chun(张海春)1,2; Wang, Bo (王博)1,2
2022-03-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume31Issue:1Pages:121-130
Abstract

The Umenocoleidae is among the most perplexing fossil insect taxa, widespread at lower and middle latitudes during the Early Cretaceous and probably becoming extinct after the mid-Cretaceous. This problematic taxon was first described from the Lower Cretaceous of China and has been variously assigned to stem-group Coleoptera, Protelytroptera, Blattaria, stem-group Dictyoptera, or Mantodea. The systematic position of the enigmatic family - especially its type species Umenocoleus sinuatus Chen et Tan, 1973 - has remained highly controversial owing to the lack of preserved phylogenetically informative or diagnostic characters. Here, we describe a new specimen of the type species from the type horizon of the type locality (Lower Cretaceous Zhonggou Formation at Jiuquan, Yumen City, China), and additionally two forewings of Ponopterix. We found that the Umenocoleidae is similar to stem-group Coleoptera in its forewing venation but differs in its multi-segmented antennae, orthognathous orientation of the head, subdivision of the pronotum by a transverse furrow, ultrastructure of the forewing punctures, and unfolded hindwings. Our phylogenetic analysis, using an extended matrix of 72 characters and 37 taxa, indicates that the Umenocoleidae is likely a specialized taxon of Dictyoptera, sister to Alienoptera. The beetle-like appearance is interpreted to be a result of convergent evolution. (C) 2021 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

Keywordfossil palaeodiversity Dictyoptera China Cretaceous convergent evolution
DOI10.1016/j.palwor.2021.01.003
Indexed BySCI
Language英语
WOS KeywordCICADOMORPHA PROSBOLOIDEA ; HEMIPTERA CICADOMORPHA ; PERMIAN INSECTS ; COLEOPTERA ; PART ; DYSMORPHOPTILIDAE ; PROTELYTROPTERA ; ARCHOSTEMATA ; DICTYOPTERA ; MORPHOLOGY
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; National Natural Science Foundation of China[41688103]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000750714600007
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research ; National Natural Science Foundation of China
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/40396
Collection中国科学院南京地质古生物研究所
Corresponding AuthorLuo, Ci-Hang(罗慈航); Wang, Bo (王博)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.FSU Jena, Inst Zool & Evolut Forsch, D-07743 Jena, Germany
5.Univ Bristol, Sch Earth Sci, Bristol BS8 1TQ, Avon, England
6.Univ Hong Kong, Dept Earth Sci, Hong Kong 999077, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Luo, Ci-Hang,Beutel, Rolf Georg,Thomson, Ulysses R.,et al. Beetle or roach: systematic position of the enigmatic Umenocoleidae based on new material from Zhonggou Formation in Jiuquan, Northwest China, and a morphocladistic analysis[J]. PALAEOWORLD,2022,31(1):121-130.
APA Luo, Ci-Hang.,Beutel, Rolf Georg.,Thomson, Ulysses R..,Zheng, Da-Ran.,Li, Jia-Hao.,...&Wang, Bo .(2022).Beetle or roach: systematic position of the enigmatic Umenocoleidae based on new material from Zhonggou Formation in Jiuquan, Northwest China, and a morphocladistic analysis.PALAEOWORLD,31(1),121-130.
MLA Luo, Ci-Hang,et al."Beetle or roach: systematic position of the enigmatic Umenocoleidae based on new material from Zhonggou Formation in Jiuquan, Northwest China, and a morphocladistic analysis".PALAEOWORLD 31.1(2022):121-130.
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