Didymograptus M'Coy, 1851

Didymograptus abnormis Hsu, 1934

Didymograptus acriculus Keble & Harris, 1934

Didymograptus adamantinus T.S. Hall, 1914

Didymograptus arcuatus Hall

Didymograptus artus Elles & Wood, 1901

Didymograptus asperus Harris & Thomas, 1938

Didymograptus aureus T.S. Hall, 1914

Didymograptus balticus Tullberg, 1938

Didymograptus bartrumi Benson & Keble, 1935

Didymograptus bidens Keble, 1927

Didymograptus bifidus Hall

Didymograptus caducens Salter

Didymograptus cognatus Harris & Thomas, 1935

Didymograptus compressus Harris & Thomas, 1935

Didymograptus constrictus (J. Hall, 1865)

Didymograptus cuspidatus Ruedemann, 1904

Didymograptus dependulus Harris & Keble, R A, 1932

Didymograptus dilatans T.S. Hall, 1914

Didymograptus distinctus Harris & Thomas, 1935

Didymograptus dubitatus Harris & Thomas, 1935

Didymograptus ellesae Ruedemann, 1908

Didymograptus elongatus Harris & Thomas, 1914

Didymograptus ensjoensis Monsen, 1937

Didymograptus eocaduceus Harris, 1933

Didymograptus euodus

Didymograptus extensus (J. Hall, 1858)

Didymograptus gracilis Tornquist, 1890

Didymograptus hemicyclus Harris, 1933

Didymograptus latens Hall, 1914

Didymograptus latus Harris & Thomas, 1938

Didymograptus mendicus Harris & Keble, R A, 1934

Didymograptus mundus (T.S. Hall, 1914)

Didymograptus murchisoni Beck

Didymograptus nicholsoni Lapworth, 1875

Didymograptus nitidus (J. Hall, 1858)

Didymograptus nodosus Harris

Didymograptus perditus T.S. Hall, 1914

Didymograptus pritchardi (Hall)

Didymograptus procumbens T.S. Hall, 1914

Didymograptus protobifidus Elles, 1933

Didymograptus similis (J. Hall, 1865)

Didymograptus stabilis Elles & Wood, 1901

Didymograptus stavus Legg, 1976

Didymograptus suecicus Tullberg, 1880

Didymograptus superstes Lapworth, 1876

Didymograptus taylori T.S. Hall, 1899

Didymograptus undulatus Tornquist

Didymograptus uniformis Elles, G L & Wood, E

Didymograptus v-deflexus (Harris, 1924)

Didymograptus validus Monsen, 1937