Figure 13 from: Kolibac J (2013) Trogossitidae: A review of the beetle family, with a catalogue and keys. ZooKeys 366: 1-194. https://doi.org/10.3897/zookeys.366.6172

Figure 13 - A–B Calitys scabra (A head and pronotum B elytral apex with interlocking mechanism) C–D Acalanthis quadrisignata (C apex of protibia with hooked spur and lateral spines D sculpture of frons with punctures conjoined into wrinkles) E–H Gymnocheilis sp., Cameroon (E head F protibia G elytral apex H detail of scales).