Species;"Type locality" "Clavodorum atlanticum Hartman & Fauchald, 1971";"Northwest of Bermuda, 37°59.2'N, 69°26.2'W, 3834 m depth." "Ephesiella macrocirris Hartman & Fauchald, 1971";"Off New England, 39°46.5'N, 70°43.3'W, 1470–1330 m depth." "E. mixta Hartman & Fauchald, 1971";"Off New England, 38°33'N, 68°32'W, 3753 m depth." "Sphaerororidium minutum (Webster & Benedict, 1887)";"Off New England, mainly shelf depths" "Sphaerodoropsis corrugata Hartman & Fauchald, 1971";"Off New England, 39°56'30""N, 70°39'54""W, 400 m depth." "S. elegans Hartman & Fauchald, 1971";"Off Brazil, 00°03.0'S, 27°48.0'W, 3730–3783 m depth." "S. longipalpa Hartman & Fauchald, 1971";"Bermuda Slope, 32°16'36""N, 64°36'18""W, 1700 m depth."