Bobdalgleishia stephanophallus: A male head in dorso-vental views B male genitalia, mesosome in dorso-ventral views C female terminalia (VI–XI), in dorso-ventral views. Motmotnirmus marginellus D male head in dorso-ventral views E male genitalia, mesosome in ventral view, detail of mesosomal plate in dorsal view F female terminalia (VI–XI), in dorso-ventral views. Abbreviations: gn, gonopore; mes, mesosome; sp, spine-like seta of the gonapophyses; IX, X, XI, last three female abdominal tergites (9th to 11th) [for other abbreviations, see methods].