Rather plump Austrognathia (length 550.00 µm, width 65.00 µm; index 8.57) with fairly slender rostrum (index 1.13). Basal plate 6.50 µm long and 23.00 µm wide (index 0.28); median lobe flat-rounded or absent. Jaws 22.00 µm long, with 4.5 teeth in dorsal and 5.0 teeth in ventral row; posterior region of dorsal row usually reinforced. Conuli fairly small (length 17.00 µm, width 7.50 µm; index 2.29).
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