Cerebratulus marginatus Renier, 1804
Serpentaria fragilis Goodsir, 1845
Gordius fragilis Dalyell, 1853
Lineus beattiaei Gray, 1857
Serpentaria beattiei Johnston, 1865
Cerebratulus angulatus McIntosh, 1873-74
Cerebratulus angulosus Haddon, 1886
Cerebratulus lacteus Clark and Cowey, 1958