Acrumena Brunet, 1965 (additional source)
Apusomonadida (additional source)
Apusomonadidae Karpov & Mylnikov, 1989 (additional source)
Harmothoe castanea (McIntosh, 1876) accepted as Malmgrenia castanea McIntosh, 1876 (basis of record)
Iolanthe Beddard, 1886 (additional source)
Perkinsiana Knight-Jones, 1983 (additional source)
Sabella spallanzanii (Gmelin, 1791) (additional source)
Saccocirrus papillocercus Bobretzky, 1872 (additional source)
Solearhynchus de Buron & Maillard, 1985 (basis of record)
Streblosoma bairdi (Malmgren, 1866) (additional source)
Valdivianemertes Stiasny-Wijnhoff, 1923 (additional source)