Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Sabellida Fauchald, 1977 Family Spirorbidae (Chamberlin, 1919) Pillai, 1970 Subfamily Circeinae Knight-Jones, 1978 1 Genus Circeis de Saint-Joseph, 1894 2 Genus Paradexiospira Caullery & Mesnil, 1897