Austrobathynellinae Delamare Debouttebille & Serban 1973

Subfamily Austrobathynellinae Delamare Debouttebille & Serban, 1973 Diagnosis (revised by Serban & Coineau, 1975, with the description of Transvaalthynella and Transkeithynella) Labrum with sexual dimorphism. Pars incisiva [incisor process] of mandible with two or three apical teeth. Endopod of thoracopods four-segmented. Male ThVIII with a differently developed outer lobe in the penial region; endopod and exopod of variable size, position, and structure in different species, endopod one- or two-segmented; exopod different from the exopod of other thoracopods. Female ThVIII uniramous with simplified structure.