New stem-anisopteran dragonflies in the Jurassic of China (Odonata: Epiproctophora) Author Huang, Di-Ying State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing. Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China Author Xu, Min-Min State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing. Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China Author Zhao, Qian State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing. Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China Author Gao, Jian State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing. Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China Author Nel, André Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP 50, 57 rue Cuvier, 75005 Paris, France text Zootaxa 2023 2023-12-29 5396 1 26 34 https://www.mapress.com/zt/article/download/zootaxa.5396.1.7/52600 journal article 10.11646/zootaxa.5396.1.7 1175-5326 10441291 6D5C03F9-7954-423B-836F-0DEF34AE37F6 Family Juragomphidae Nel et al. , 2001 Type genus and species. Juragomphus karatauensis Nel et al. , 2001 ( Callovian-Kimmeridgian or Oxfordian-Kimmeridgian , Karatau , Southern Kazakhstan ) . Emended diagnosis. We need to modify the family diagnosis proposed by Nel et al. (2001) as follows: forewing discoidal triangle transverse, equilateral, divided into three cells or more, and very broad.