Fossarus Philippi, 1841

Fossarus abjectus (C.B. Adams, 1852)

Fossarus ambiguus (Linnaeus, 1758)

Fossarus angiostoma (C.B. Adams, 1852)

Fossarus angulatus Carpenter, 1857

Fossarus atratus (C.B. Adams, 1852)

Fossarus bellus Dall, 1889

Fossarus brumalis Hedley, 1907

Fossarus compactus Dall, 1889

Fossarus cumingii (A. Adams, 1855)

Fossarus (Isapis) dalli

Fossarus dentifer E. A. Smith, 1890

Fossarus elegans A. E. Verrill & S. Smith, 1882

Fossarus erythraoensis

Fossarus excavatus (C.B. Adams, 1852)

Fossarus fischeri Mörch, 1877

Fossarus foveatus (C.B. Adams, 1852)

Fossarus garrettii Pease, 1868

Fossarus guayaquilensis Bartsch, 1928

Fossarus laeviusculus E. A. Smith, 1890

Fossarus lamellosus Mountrouzier

Fossarus lucanus Dall, 1919

Fossarus macmurdensis (Hedley, 1911)

Fossarus mediocris de Folin, 1867

Fossarus megasoma (C.B. Adams, 1852)

Fossarus multicostatus Pease, 1861

Fossarus orbignyi P. Fischer, 1864

Fossarus porcatus (Philippi, 1845)

Fossarus purus Carpenter, 1864

Fossarus sydneyensis Hedley, 1900

Fossarus trochleris A. Adams, 1853