On the Nosodendridae from mid-Cretaceous amber of northern Myanmar (Coleoptera: Nosodendroidea) Author Li, Yan-Da 0000-0002-9439-202X State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China ydli@pku.edu.cn Author Tihelka, Erik 0000-0002-5048-5355 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China & School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS 8 1 TQ, UK & wn 20250 @ bristol. ac. uk; https: // orcid. org / 0000 - 0002 - 5048 - 5355 wn20250@bristol.ac.uk Author Dahan, Loïc 0000-0001-5680-0304 O. D. Taxonomy and Phylogeny - Entomology, Royal Belgian Institute of Natural Sciences, Vautierstreet 29, B- 1000 Brussels, Belgium ydli @ pku. edu. cn; https: // orcid. org / 0000 - 0002 - 9439 - 202 X & loicdahan @ hotmail. com; https: // orcid. org / 0000 - 0001 - 5680 - 0304 loicdahan@hotmail.com Author Huang, Di-Ying 0000-0002-5637-4867 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China & dyhuang @ nigpas. ac. cn; https: // orcid. org / 0000 - 0002 - 5637 - 4867 dyhuang@nigpas.ac.cn Author Cai, Chen-Yang 0000-0002-9283-8323 State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China & School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS 8 1 TQ, UK & cycai @ nigpas. ac. cn; https: // orcid. org / 0000 - 0002 - 9283 - 8323 cycai@nigpas.ac.cn text Zootaxa 2021 2021-12-17 5082 3 223 244 journal article 2910 10.11646/zootaxa.5082.3.2 3997d831-ae29-42d0-ba99-cd20cc8b7fc3 1175-5326 5788224 EFB0E4A5-6B60-4B39-A651-1C6470FD7222 Key to extant and extinct genera of family Nosodendridae (modified from Tihelka et al. 2021a ) 1. Prosternum in front coxae extremely shortened, shorter than the half length of prosternal process; lateral portions of prosternum separated from the medial portion by a complete boundary, distinctly lowered for the reception of protrochanters and -femora ( Fig. 1 )............................................................................................. 2 - Prosternum in front coxae not extremely shortened, longer than the half length of prosternal process; lateral and medial portions of prosternum never separated by a complete boundary ( Figs 4C , 8D , 11D , 12D , 18D ).............................. 3 2. Loose antennal club consisting of three segments. Body length 4.0–10.0 mm.................... Nosodendron Latreille - Compact antennal club consisting of two segments, with the basalmost antennomere strongly transverse. Body length typically 2.3–2.8 mm ........................................................................... Nosoglobulus Háva 3. Tarsomeres 2–4 wide, distinctly lobed ventrally ( Fig. 18G–I )................................ Mesonosa Tihelka et al. - Tarsomeres 2–4 slender, not distinctly lobed ventrally ( Figs 4G–K , 8I , 11H–I , 14G–I , 16F )........................... 4 4. Body large, longer than 10 mm . Antennal grooves on prosternum complete (figs 1B, 4A in Tihelka et al. 2021a )............................................................................................ Basinosa Tihelka et al. - Body smaller, shorter than 5 mm . Antennal grooves on prosternum incomplete ( Figs 8D , 11D )............................................................................................ Archaenosodendron Li & Cai gen. nov.