Cardus crucifer (Thomson, 1873)
Pentacheles laevis Spence Bate, 1878
Pentacheles validus A. Milne-Edwards, 1880
Polycheles crucifer (Thomson, 1873) accepted as Cardus crucifer (Thomson, 1873)
Polycheles granulatus Faxon, 1893 accepted as Pentacheles laevis Spence Bate, 1878
Polycheles nanus (Smith, 1884) accepted as Stereomastis nana (Smith, 1884)
Polycheles typhlops Heller, 1862
Polycheles typhlops typhlops Heller, 1862 accepted as Polycheles typhlops Heller, 1862
Polycheles validus (A. Milne-Edwards, 1880) accepted as Pentacheles validus A. Milne-Edwards, 1880
Stereomastis grimaldii (Bouvier, 1905) accepted as Stereomastis nana (Smith, 1884)
Stereomastis nana (Smith, 1884)
Stereomastis sculpta (Smith, 1880)
Stereomastis sculpta sculpta (Smith, 1880) accepted as Stereomastis sculpta (Smith, 1880)
Willemoesia forceps A. Milne-Edwards, 1880
Willemoesia leptodactyla (Thomson, 1873)