The following species are recognized: •
Amphianthus armatus Carlgren, 1928 •
Amphianthus bathybium Hertwig, 1882 •
Amphianthus brunneus (Pax, 1909) •
Amphianthus californicus Carlgren, 1936 •
Amphianthus capensis Carlgren, 1928 •
Amphianthus caribaeus (Verrill, 1899) •
Amphianthus dohrnii (Koch, 1878) •
Amphianthus ingolfi Carlgren, 1942 •
Amphianthus islandicus Carlgren, 1942 •
Amphianthus lacteus (Mc Murrich, 1893) •
Amphianthus laevis Carlgren, 1938 •
Amphianthus margaritaceus (Danielssen, 1890) •
Amphianthus michaelsarsi Carlgren, 1934 •
Amphianthus minutus (Hertwig, 1882) •
Amphianthus mirabilis (Verrill, 1879) •
Amphianthus mopseae (Danielssen, 1890) •
Amphianthus natalensis Carlgren, 1938 •
Amphianthus nitidus (Verrill, 1899) •
Amphianthus norvegicus Carlgren, 1942 •
Amphianthus radiatus Carlgren, 1928 •
Amphianthus rosaceus Wassilieff, 1908 •
Amphianthus sanctaehelenae Carlgren, 1941 •
Amphianthus valdiviae Carlgren, 1928 •
Amphianthus verruculatus Carlgren, 1942 ==References==