Protula tubulariaProtula tubularia is a species of polychaete in the family Serpulidae.Habitat and distributionThis species is found in the waters of the Mediterranean Sea, the English Channel, the Atlantic Ocean and the North Sea, but also along the coasts of South Africa and New Zealand.SubspeciesThe World Register of Marine Species lists the following subspecies:Protula tubularia caeca Imajima, 1977