Minitiron ovatibasis (Hirayama, 1988) comb. nov.
Tiron ovatibasis Hirayama, 1988, p. 59, figs 283–284.
Tiron ovatibasis .— Lörz & Coleman (2013, p. 126).
Metatiron ovatibasis .— Cadien (2014, p. 11).
Type fixation. Holotype, ♂, 2.25 mm.—Original designation. (AMBL-Amph. 34.)
Other material. Paratypes. None.
Distribution. Shijiki Bay, Japan.