New taxa of the family Nemonychidae (Coleoptera) from Jurassic and Early Cretaceous
New subfamilies (Cretonemonychinae Gratshev et Legalov, subfam.n. (type genus: <i>Cretonemonyx </i>Gratshev et Legalov, gen.n.) and Selengarhynchinae Gratshev et Legalov, subfam.n. (type genus: <i>Selengarhynchus </i>Gratshev et Legalov, gen.n.), new genera (<i>Pseudonemonyx </i>Gratshev et Legalov, gen.n. (type species: <i>Pseudonemonyx stupendus </i>Gratshev et Legalov, sp.n.), <i>Cretonemonyx </i>Gratshev et Legalov, gen.n. (type species: <i>Cretonemonyx profligatus </i>Gratshev et Legalov, sp.n.), <i>Megametrioxenoides </i>Gratshev et Legalov, gen.n. (type species: <i>Megametrioxenoides longus </i>Gratshev et Legalov, sp.n.), <i>Medmetrioxenoides </i>Gratshev et Legalov, gen.n. (type species: <i>Medmetrioxenoides prodromus </i>Gratshev et Legalov, sp.n.), <i>Selengarhynchus </i>Gratshev et Legalov, gen.n. (type species: <i>Selengarhynchus ovalis </i>Gratshev et Legalov, sp.n.), <i>Gobibrenthorrhinus </i>Gratshev et Legalov, gen.n. (type species: <i>Gobibrenthorrhinus gigas </i>Gratshev et Legalov, sp.n.) and new species (<i>Pseudonemonyx stupendus </i>Gratshev et Legalov, sp.n., <i>Cretonemonyx profligatus </i>Gratshev et Legalov, sp.n., <i>C. longirostris </i>Gratshev et Legalov, sp.n. (Russia: Baissa, Early Cretaceous), <i>Megametrioxenoides longus </i>Gratshev et Legalov, sp.n. (Mongolia: Hutel-hara, Early Cretaceous), <i>Medmetrioxenoides prodromus </i>Gratshev et Legalov, sp.n. (Kazakhstan: Karatau, Middle-Late Jurassic), <i>Selengarhynchus ovalis </i>Gratshev et Legalov, sp.n. (Mongolia: Sharyn-Gol, Early Cretaceous) and <i>Gobibrenthorrhinus gigas </i>Gratshev et Legalov, sp.n. (Mongolia: Hutuliin Hira, Early Cretaceous) are described.