Koltunia Plotkin, Morrow, Gerasimova & Rapp, 2017 (original description)
Koltunia burtoni (Koltun, 1964) (new combination reference)
Polymastia isidis Thiele, 1905 accepted as
Sphaerotylus isidis (Thiele, 1905) (new combination reference)
Sphaerotylus antarcticus Kirkpatrick, 1907 (additional source)
Sphaerotylus capitatus (Vosmaer, 1885) (additional source)
Sphaerotylus exospinosus Lévi, 1993 (additional source)
Sphaerotylus exotylotus Koltun, 1970 (additional source)
Sphaerotylus raphidophora Austin, Ott, Reiswig, Romagosa & McDaniel, 2014 (additional source)
Sphaerotylus sceptrum Koltun, 1970 (additional source)
Sphaerotylus tjalfei Plotkin, Morrow, Gerasimova & Rapp, 2017 (original description)
Sphaerotylus verenae Austin, Ott, Reiswig, Romagosa & McDaniel, 2014 (additional source)
Trachyteleia stephensi Topsent, 1928 (additional source)
Tylexocladus hispidus Lévi, 1993 (additional source)
Tylexocladus joubini Topsent, 1898 (redescription)
Antarctic Lower Bathyal Province for
Koltunia burtoni (Koltun, 1964)
Antarctic Peninsula for
Sphaerotylus antarcticus Kirkpatrick, 1907
Arctic Lower Bathyal Province for
Polymastia grimaldii (Topsent, 1913)
Arctic Lower Bathyal Province for
Sphaerotylus capitatus (Vosmaer, 1885)
East Antarctic Enderby Land for
Sphaerotylus antarcticus Kirkpatrick, 1907
East Greenland Shelf for
Sphaerotylus capitatus (Vosmaer, 1885)
North and East Barents Sea for
Sphaerotylus capitatus (Vosmaer, 1885)
North Sea for
Sphaerotylus capitatus (Vosmaer, 1885)
Northern Norway and Finnmark for
Sphaerotylus capitatus (Vosmaer, 1885)
Northern Norway and Finnmark for
Sphaerotylus capitatus (Vosmaer, 1885)
Northern Pacific Boreal Lower Bathyal Province for
Sphaerotylus exotylotus Koltun, 1970
Northern Pacific Boreal Lower Bathyal Province for
Sphaerotylus sceptrum Koltun, 1970
Southern Norway for
Polymastia andrica de Laubenfels, 1949
Southern Norway for
Sphaerotylus capitatus (Vosmaer, 1885)
West Greenland Shelf for
Sphaerotylus tjalfei Plotkin, Morrow, Gerasimova & Rapp, 2017
Holotype ZIRAS 10614, geounit Oyashio Current, identified as
Sphaerotylus sceptrum Koltun, 1970
Lectotype ZIRAS 10615, geounit Oyashio Current, identified as
Sphaerotylus exotylotus Koltun, 1970
Holotype ZMUC DEM-243, geounit West Greenland Shelf, identified as
Sphaerotylus tjalfei Plotkin, Morrow, Gerasimova & Rapp, 2017