Diversity of Scydmaeninae (Coleoptera: Staphylinidae) in Upper Eocene Rovno amber Author Jałoszyński, Paweł Author Perkovsky, Evgeny text Zootaxa 2016 4157 1 1 85 journal article 10.11646/zootaxa.4157.1.1 2389f078-1812-4b4e-826a-561cd7e46654 1175-5326 262413 6BF4514A-892F-499F-BC1E-B7920C7A00B0 ? Rovnoscydmus sp. specimen 11 ( Figs 24 , 167–170 ) Material studied. Late Eocene of Europe , Rovno amber: sex unknown; inclusion in elongate, irregular (approximately subtriangular) piece of amber 10 mm long ( Fig. 24 ), collection number K-8971 ( SIZK ). This specimen is poorly preserved and only partly visible. The shape of the head and the antennal structure suggest it may be Rovnoscydmus , but most diagnostic characters are not possible to observe. Exact measurements were not possible to make, all are approximated: B: 0.8 mm ; HL 0.15 mm , HW 0.16 mm ; PL 0.18 mm , PW 0.20 mm ; EL 0.45 mm , EW 0.35 mm , EI 1.29.