196. Halobiotus stenostomus (Richters, 1908) sensu lato
Macrobiotus stenostomus n. sp., Macrobiotus appelloefi n. sp. (Richters 1908) M. Appellöfi, M. stenostomus (Richters 1909)
Hypsibius stenostomus (Richters) (Otto 1936)
Hypsibius (Isohypsibius) stenostomus Richters 1908 (Rudescu 1964) Hypsibius (Isohypsibius) geddesi sp.n. (Hallas 1971)
Hypsibius appelloefi Theulin 1911 [= Hypsibius stenotomus (Richter 1908)] (Feder & Paul 1980) H. appeloefi (Crisp & Kristensen 1983)
Hypsibius apelloefi (Petelina & Tchesunov 1983)
Isohypsibius apelloeffi (Richters, 1908) (Biserov 1991)
Halobiotus conf. stenostomus (Kharkevych 2013a)
Terra typica: Baltic Sea (Germany, Europe)