FIGURES 22–24 in New fossil taxa and notes on the Mesozoic evolution of Liadytidae and Dytiscidae (Coleoptera)

FIGURES 22–24. (22) Ilybius adygheanus Petrov, Shapovalov & Fery, 2010: metaventrite and metacoxa, with measurements WC, WS, LC and LV shown; modified from Petrov et al. (2010); (23) Sinoporus lineatus Prokin & Ren, 2010: holotype in ventral view, redrawn and modified from original description with LC and LV shown (in this case the longest point of the lateral lobe of the metaventrite is at the very base of the lobe; it has been measured immediately lateral of the posterior margins of the mesocoxa, i.e., at the very base of the lobe, if we define the lobe as the part of the metaventrite lateral of the mesocoxa); (24) Lancetes lanceolatus (Clark, 1863): metaventrite of recent specimen from Lake Cronin (Western Australia); arrow indicates impression at lateral margin of median elevated area of metaventrite.