Aulacoseira alpigena (Grunow) Krammer, 1991 (new combination reference)
Aulacoseira lacustris (Grunow) Krammer, 1991 accepted as
Melosira lyrata f. lacustris Grunow in Van Heurck, 1882 (new combination reference)
Aulacoseira laevissima (Grunow) Krammer, 1991 accepted as
Melosira laevissima Grunow, 1882 (new combination reference)
Aulacoseira muzzanensis (Meister) Krammer, 1991 accepted as
Melosira muzzanensis Meister, 1912 (new combination reference)
Aulacoseira pfaffiana (Reinsch) Krammer, 1991 accepted as
Melosira pfaffiana Reinsch, 1867 (new combination reference)
Aulacoseira solida (Eulenstein) K.Krammer, 1991 † accepted as
Melosira solida var. solida Eulenstein in Grunow in Van Heurck, 1882 (new combination reference)
Aulacoseira tenuior (Grunow) Krammer, 1990 accepted as
Melosira lyrata f. tenuior Grunow in Van Heurck, 1882 (new combination reference)
Aulacoseira valida (Grunow) Krammer, 1991 (new combination reference)