Krzysztof Zawierucha, Jakub Dziamięcki, Natalia Jakubowska, Łukasz Michalczyk, Łukasz Kaczmarek
Zookeys
Figures 6–7.Hypsibius cf. scabropygus Cuénot, 1929: 6 bucco-pharyngeal apparatus (dorso-ventral projection, ventral placoids in the insert) 7 claws IV (arrow indicates a small cuticular bar near the posterior claw). (Both PCM).