Anelassorhynchus indivisus (Sluiter, 1900) (new combination reference)
Archibonellia mjoebergi Fischer, 1921 accepted as Pseudobonellia biuterina Johnston & Tiegs, 1919 (additional source)
Austrobonellia Fisher, 1948 accepted as Pseudobonellia Johnston & Tiegs, 1919 (status source)
Echiura (taxonomy source)
Golfingiidae Stephen & Edmonds, 1972 (original description)
Lissomyema exilii (Lampert, 1883) (new combination reference)
Maxmuelleria gigas (M. Müller, 1852) (status source)
Metabonellia Stephen & Edmonds, 1972 (original description)
Ochetostoma Rüppell & Leuckart, 1828 (taxonomy source)
Ochetostoma atlantidei Wesenberg-Lund, 1959 accepted as Ochetostoma glaucum (Wesenberg-Lund, 1957) (status source)
Ochetostoma capense Jones & Stephen, 1954 accepted as Listriolobus capensis (Jones & Stephen, 1954) (additional source)
Ochetostoma decameron (Lanchester, 1905) (additional source)
Ochetostoma glaucum (Wesenberg-Lund, 1957) (new combination reference)
Ochetostoma manjuyodense (Ikeda, 1905) (additional source)
Phascolosomatidae Stephen & Edmonds, 1972 (original description)
Platylobostoma Wesenberg-Lund, 1957 accepted as Ochetostoma Rüppell & Leuckart, 1828 (status source)
Prashadus Stephen & Edmonds, 1972 accepted as Ikeda Wharton, 1913 (original description)
Prashadus pirotansis (Menon & DattaGupta, 1962) accepted as Ikeda pirotansis (Menon & DattaGupta, 1962) (new combination reference)
Prometor pocula Hartman in Hartman & Barnard, 1960 (status source)
Thalassema Pallas, 1774 (taxonomy source)
Thalassema brevipalpis Quatrefages, 1866 (status source)
Thalassema peronii Quatrefages, 1866 (status source)
Thalassematinae Forbes & Goodsir, 1841 represented as Thalassematidae Forbes & Goodsir, 1841 (status source)