Aulacoseira distans var. laevissima (Grunow) Haworth, 1988 accepted as
Melosira laevissima Grunow, 1882 (new combination reference)
Aulacoseira distans var. nivalis (W. Smith) Haworth, 1988 accepted as
Aulacoseira nivalis (W. Smith) J. English & M. Potapova, 2009 (new combination reference)
Aulacoseira lirata var. alpigena (Grunow) Haworth, 1990 accepted as
Melosira distans f. alpigena Grunow in Van Heurck, 1882 (new combination reference)
Aulacoseira perglabra (Østrup) E.Y.Haworth, 1988 accepted as
Melosira perglabra Østrup, 1910 (new combination reference)
Aulacoseira perglabra var. florinae (Camburn) E.Y.Haworth, 1990 accepted as
Melosira perglabra var. florinae Camburn in Smol, 1986 (new combination reference)
Aulacoseira subarctica (Otto Müller) E.Y.Haworth, 1990 (new combination reference)
Aulacoseira subarctica f. subborealis (Nygaard) Haworth, 1988 accepted as
Melosira italica var. subborealis Nygaard, 1956 (new combination reference)
Aulacoseira tethera E.Y.Haworth, 1990 (original description)