Gaetanus Giesbrecht, 1888 (additional source)
Gaetanus antarcticus Wolfenden, 1905 accepted as
Gaetanus kruppii Giesbrecht, 1903 (source of synonymy)
Gaetanus campbellae Park, 1975 accepted as
Gaetanus simplex Brodsky, 1950 (new combination reference)
Gaetanus intermedius Campbell, 1930 accepted as
Gaetanus campbellae Park, 1975 accepted as
Gaetanus simplex Brodsky, 1950 (source of synonymy)
Gaetanus kruppii Giesbrecht, 1903 (additional source)
Gaetanus minor Farran, 1905 (additional source)
Gaetanus paracurvicornis Brodsky, 1950 (source of synonymy)
Gaetanus pileatus Farran, 1903 (additional source)
Gaetanus tenuispinus (Sars G.O., 1900) (additional source)
Gaidius Giesbrecht, 1895 accepted as
Gaetanus Giesbrecht, 1888 (additional source)
Gaidius Giesbrecht, 1895 accepted as
Gaetanus Giesbrecht, 1888 (source of synonymy)
Gaidius intermedius Wolfenden, 1905 accepted as
Gaetanus brevispinus (Sars G.O., 1900) (source of synonymy)
Gaidius pungens Giesbrecht, 1895 accepted as
Gaetanus pungens (Giesbrecht, 1895) (source of synonymy)
Gaidius tenuispinus (Sars G.O., 1900) accepted as
Gaetanus tenuispinus (Sars G.O., 1900) (source of synonymy)