Anaxyelidae of Daohugou: oldest occurrences of the relict family in the fossil record. Part 1: Daosyntexis and Brachysyntexis,Alcheringa: An Australasian Journal of Palaeontology

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Anaxyelidae of Daohugou: oldest occurrences of the relict family in the fossil record. Part 1: Daosyntexis and Brachysyntexis
Alcheringa: An Australasian Journal of Palaeontology ( IF 1.3 ) Pub Date : 2020-01-02 , DOI: 10.1080/03115518.2019.1697753
Dmitry S. Kopylov , Alexander P. Rasnitsyn , Haichun Zhang , QI Zhang

Kopylov, D.S., Rasnitsyn, A.P., Zhang, H. & Zhang, Q., 21 January 2020. Anaxyelidae of Daohugou: oldest occurrences of the relict family in the fossil record. Part 1: Daosyntexis and Brachysyntexis. Alcheringa 44, 104–114. ISSN 0311-5518. One new genus and seven species of Anaxyelidae are described from the Middle Jurassic of Daohugou, Inner Mongolia, China, including Daosyntexis primus gen. et sp. nov. (Syntexinae), Brachysyntexis sinensis sp. nov., B. rohweri sp. nov., B. laticella sp. nov., B. brevicornis sp. nov., B. acuta sp. nov. and B. minuta sp. nov. (Anaxyelinae). They are the most ancient representatives of the relict family Anaxyelidae. The anaxyelid complex at Daohugou is more diverse than at Karatau, Kazakhstan, and includes not only Anaxyelinae, but also Syntexinae and probably Kempendajinae. Syntexinae and Kempendajinae are recorded in Jurassic strata for the first time. Dmitry S. Kopylov* [aeschna@yandex.ru], A.A. Borissiak Paleontological Institute, Russian Academy of Sciences, 123 Profsoyuznaya Str., Moscow, 117647, Russia; Alexander P. Rasnitsyn† [alex.rasnitsyn@gmail.com], A.A. Borissiak Paleontological Institute, Russian Academy of Sciences, 123 Profsoyuznaya Str., Moscow, 117647, Russia; Haichun Zhang [hczhang@nigpas.ac.cn], State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, 39 East Beijing Rd, Nanjing, 210008, PR China; Qi Zhang [zhqi1105@126.com], School of Geography and Tourism, Qufu Normal University, 80 North Yantai Rd, Rizhao, 276826, PR China. *Also affiliated with: Cherepovets State University, 5 Lunacharskogo Ave., Cherepovets, 162600, Russia. †Also affiliated with: Natural History Museum, Cromwell Rd, London SW7 5BD, UK.

更新日期：2020-01-02

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