Sipunculus (Sipunculus) nudus Linnaeus, 1766
Siphunculus balanophorus Delle Chiaje, 1823
Siphunculus reticulatus Martin, 1786
Sipunculus (Sipunculus) gigas Quatrefages, 1865
Sipunculus delphinus Murina, 1967
Sipunculus eximinoclathratus Baird, 1868
Sipunculus eximio-clathratus Baird, 1868
Sipunculus gigas Quatrefages, 1865
Sipunculus norvegicus vemae Stephen, 1966
Sipunculus tesselatus Costa, 1853
Sipunculus tessellatus Costa, 1853
Sipunculus titubans Selenka & Bülow, 1883
Syrinx nudus (Linnaeus, 1766)
Syrinx tesselatus Rafinesque, 1814