Demonax Kinberg, 1867 accepted as Parasabella Bush, 1905 (additional source)
Demonax brachychona (Claparède, 1870) (new combination reference)
Demonax brevithoracicus (Pillai, 1961) accepted as Parasabella brevithoracica (Pillai, 1961) (new combination reference)
Demonax langerhansi Knight-Jones, 1983 accepted as Parasabella langerhansi (Knight-Jones, 1983) (original description)
Demonax oculeus (Pillai, 1965) accepted as Parasabella oculea (Pillai, 1965) (new combination reference)
Demonax saxicola (Grube, 1861) accepted as Parasabella saxicola (Grube, 1861) (redescription)
Gorbunovia Annenkova, 1952 accepted as Potamethus Chamberlin, 1919 (status source)
Oriopsis hynensis Knight-Jones, 1983 (original description)
Perkinsiana Knight-Jones, 1983 (original description)
Perkinsiana acuminata (Moore & Bush, 1904) (new combination reference)
Perkinsiana assimilis (McIntosh, 1885) (new combination reference)
Perkinsiana ceylonica (Augener, 1926) (new combination reference)
Perkinsiana corcovadensis (Hartmann-Schröder, 1965) (new combination reference)
Perkinsiana fonticula (Hoagland, 1919) (new combination reference)
Perkinsiana linguicollaris (Day, 1961) (new combination reference)
Perkinsiana minuta (Treadwell, 1941) accepted as Sabellomma minuta (Treadwell, 1941) (new combination reference)
Potamethus Chamberlin, 1919 (redescription)
Potamethus littoralis Hartman, 1967 accepted as Perkinsiana magalhaensis (Kinberg, 1867) (source of synonymy)
Potamilla brevithoracica Pillai, 1961 accepted as Parasabella brevithoracica (Pillai, 1961) (new combination reference)
Potamilla ceylonica Augener, 1926 accepted as Perkinsiana ceylonica (Augener, 1926) (source of synonymy)
Potamilla incerta Langerhans, 1884 accepted as Parasabella langerhansi (Knight-Jones, 1983) (redescription)
Sabella (Potamilla) rubra Langerhans, 1881 accepted as Perkinsiana rubra (Langerhans, 1880) (new combination reference)
Sabella assimilis McIntosh, 1885 accepted as Perkinsiana assimilis (McIntosh, 1885) (source of synonymy)
Sabella brachychona Claparède, 1870 accepted as Demonax brachychona (Claparède, 1870) (source of synonymy)
Sabella murrayi McIntosh, 1916 accepted as Potamethus murrayi (McIntosh, 1916) (new combination reference)
Sabella saxicola Grube, 1861 accepted as Parasabella saxicola (Grube, 1861) (source of synonymy)

Holotype BMNH BMNH ZK 1885.12.1.386, locality Rio de la Plata, identified as Sabella assimilis McIntosh, 1885

 Holotype

 for Sabella assimilis McIntosh, 1885

Knight-Jones (1983: 280) called the specimen she examined the holotype. However, McIntosh (1885: 488) had a least ... [details]

 Nomenclature

 for Perkinsiana ceylonica (Augener, 1926)

Knight-Jones (1983: 283) does not state the original genus, but P. ceylonica is recombined from Potamilla [details]

 Taxonomy

 for Gorbunovia Annenkova, 1952

Knight-Jones (1983:271) suggested the material described by Annenkova (1952) under the name Gorbunovia malmgreni ... [details]