Genus Stewartia A. A. Olsson & Harbison 1953 [f]
(3-4-4-0-20-4-2-68-0-0-0-0-0) Ref. Vokes, 1980 p 102 [=Megaxinus G. A. Brugnone, 1880] Ref. Vaught, 1989 p 125