Balbidocolon Hessler, 1970 (original description)
Balbidocolon atlanticum Hessler, 1970 (original description)
Chelator Hessler, 1970 (original description)
Chelator insignis (Hansen, 1916) (new combination reference)
Chelator verecundus Hessler, 1970 (original description)
Chelator vulgaris Hessler, 1970 (original description)
Disparella Hessler, 1970 (original description)
Disparella longimana (Vanhöffen, 1914) (new combination reference)
Disparella pachythrix Hessler, 1970 (original description)
Disparella valida Hessler, 1970 (original description)
Eugerda filipes (Hult, 1936) (new combination reference)
Eugerda fulcimandibulata Hessler, 1970 (original description)
Eugerda imbricata Hessler, 1970 (original description)
Eugerda intermedia (Hult, 1936) (new combination reference)
Eugerda latipes (Hansen, 1916) accepted as
Desmosoma latipes Hansen, 1916 (new combination reference)
Eugerda pannosa Hessler, 1970 (original description)
Eugerda setifluxa Hessler, 1970 (original description)
Eugerda tetarta Hessler, 1970 accepted as
Desmosoma tetarta (Hessler, 1970) (original description)
Eugerdella cornuta Hessler, 1970 accepted as
Mirabilicoxa cornuta (Hessler, 1970) (original description)
Eugerdella ischnomesoides Hessler, 1970 (original description)
Eugerdella natator (Hansen, 1916) (new combination reference)
Eugerdella pugilator Hessler, 1970 (original description)
Eugerdellatinae Hessler, 1970 (original description)
Mirabilicoxa Hessler, 1970 (original description)
Mirabilicoxa acuminata Hessler, 1970 (original description)
Mirabilicoxa coxalis (Birstein, 1963) (new combination reference)
Mirabilicoxa exopodata Hessler, 1970 (original description)
Mirabilicoxa gracilipes (Hansen, 1916) (new combination reference)
Mirabilicoxa longispina (Hansen, 1916) (new combination reference)
Mirabilicoxa minuta Hessler, 1970 (original description)
Mirabilicoxa palpata Hessler, 1970 (original description)
Mirabilicoxa plana Hessler, 1970 (original description)
Mirabilicoxa similis (Hansen, 1916) (new combination reference)
Momedossa Hessler, 1970 (original description)
Momedossa profunda Hessler, 1970 (original description)
Oecidiobranchus Hessler, 1970 (original description)
Oecidiobranchus plebejum (Hansen, 1916) (new combination reference)
Oecidiobranchus polare (Gurjanova, 1946) (new combination reference)
Prochelator Hessler, 1970 (original description)
Prochelator abyssalis Hessler, 1970 (original description)
Prochelator hampsoni Hessler, 1970 (original description)
Prochelator incomitatus Hessler, 1970 (original description)
Prochelator lateralis (G. O. Sars, 1899) (new combination reference)
Prochelator litus Hessler, 1970 (original description)
Thaumastosoma Hessler, 1970 (original description)
Thaumastosoma distinctum (Birstein, 1963) accepted as
Ketosoma distinctum (Birstein, 1963) (new combination reference)
Thaumastosoma platycarpus Hessler, 1970 (original description)
Thaumastosoma tenue Hessler, 1970 (original description)
Torwolia Hessler, 1970 (original description)
Torwolia creper Hessler, 1970 (original description)
Torwolia subchelatus Hessler, 1970 (original description)
Whoia Hessler, 1970 (original description)
Whoia angusta (G. O. Sars, 1899) (new combination reference)
Whoia variabilis Hessler, 1970 (original description)
North West Atlantic for
Chelator insignis (Hansen, 1916)
North West Atlantic for
Desmosoma latipes Hansen, 1916
North West Atlantic for
Eugerda intermedia (Hult, 1936)
North West Atlantic for
Eugerdella natator (Hansen, 1916)
North West Atlantic for
Mirabilicoxa gracilipes (Hansen, 1916)
North West Atlantic for
Mirabilicoxa longispina (Hansen, 1916)
North West Atlantic for
Mirabilicoxa similis (Hansen, 1916)
North West Atlantic for
Oecidiobranchus plebejum (Hansen, 1916)
North West Atlantic for
Prochelator lateralis (G. O. Sars, 1899)
North West Atlantic for
Whoia angusta (G. O. Sars, 1899)