• Acanthastenasellus forficuloides Chelazzi & Messana, 1985
• Asellus (Arctasellus) alaskensis Bowman & Holmquist, 1975
• Asellus (Arctasellus) birsteini Levanidov, 1976
• Asellus (Arctasellus) latifrons Birstein, 1947
• Asellus (Asellus) amamiensis Matsumoto, 1961
• Asellus (Asellus) aquaticus (Linnaeus, 1758)
• Asellus (Asellus) aquaticus abyssalis Odenwall, 1927
• Asellus (Asellus) aquaticus aquaticus Linnaeus, 1758
• Asellus (Asellus) aquaticus carniolicus Sket, 1965
• Asellus (Asellus) aquaticus carsicus Karaman, 1952
• Asellus (Asellus) aquaticus cavernicolus Racovitza, 1925
• Asellus (Asellus) aquaticus cyclobranchialis Sket, 1965
• Asellus (Asellus) aquaticus fribergensis Schneider, 1887
• Asellus (Asellus) aquaticus infernus Turk-Prevorčnik & Blejec, 1998
• Asellus (Asellus) aquaticus irregularis Sket, 1965
• Asellus (Asellus) aquaticus longicornis Sket, 1965
• Asellus (Asellus) aquaticus messerianus Birstein, 1945
• Asellus (Asellus) balcanicus Karaman, 1952
• Asellus (Asellus) epimeralis Birstein, 1947
• Asellus (Asellus) ezoensis Matsumoto, 1962
• Asellus (Asellus) hilgendorfii Bovallius, 1886
• Asellus (Asellus) hilgendorfii hilgendorfii Bovallius, 1886
• Asellus (Asellus) hilgendorfii martynovi Birstein, 1947
• Asellus (Asellus) hilgendorfii ryukyuensis Ueno, 1938
• Asellus (Asellus) hyugaensis Matsumoto, 1960
• Asellus (Asellus) infirmus Birstein, 1936 accepted as Proasellus infirmus (Birstein, 1936)
• Asellus (Asellus) ismailsezarii Malek-Hosseini, Jugovic, Fatemi & Douady, 2022
• Asellus (Asellus) kosswigi Verovnik, Prevorcnik & Jugovic, 2009
• Asellus (Asellus) kumaensis Matsumoto, 1960
• Asellus (Asellus) levanidovorum Henry & Magniez, 1995
• Asellus (Asellus) monticola Birstein, 1932
• Asellus (Asellus) monticola var. fontinalis Birstein, 1936
• Asellus (Asellus) musashiensis Matsumoto, 1961
• Asellus (Asellus) primoryensis Henry & Magniez, 1993
• Asellus (Asellus) shikokuensis Matsumoto, 1960
• Asellus (Asellus) tamaensis Matsumoto, 1960
• Asellus (Asellus) turanaicus Sidorov & Prevorčnik, 2016
• Asellus (Coxasellus) basnosanui R. & M. Codreanu, 1962 accepted as Proasellus basnosanui (R. & M. Codreanu, 1962)
• Asellus (Coxasellus) danubialis Codreanu & Codreanu in Motas & Capuse, 1965 accepted as Proasellus danubialis (Codreanu & Codreanu in Motas & Capuse, 1965)
• Asellus (Coxasellus) elegans Codreanu & Codreanu in Motas & Capuse, 1965 accepted as Proasellus elegans (Codreanu & Codreanu in Motas & Capuse, 1965)
• Asellus (Mesoasellus) dybowskii Semenkevich, 1924
• Asellus (Phreatoasellus) joianus Henry & Magniez, 1991 accepted as Phreatoasellus joianus (Henry & Magniez, 1991)
• Asellus (Proasellus) albigensis Magniez, 1965 accepted as Proasellus albigensis (Magniez, 1965)
• Asellus (Proasellus) arnautovici Remy, 1932 accepted as Proasellus arnautovici (Remy, 1932)
• Asellus (Proasellus) meridianus Racovitza, 1919 accepted as Proasellus meridianus (Racovitza, 1919) represented as Proasellus meridianus meridianus (Racovitza, 1919)
• Asellus (Subasellus) nolli Karaman, 1952 accepted as Proasellus nolli (Karaman, 1952)
• Asellus adenta Mackin & Hubricht, 1940 accepted as Caecidotea adenta (Mackin & Hubricht, 1940)
• Asellus aioii Chappuis, 1955 accepted as Nipponasellus aioii (Chappuis, 1955)
• Asellus ancylus Fleming, 1972 accepted as Caecidotea ancyla (Fleming, 1972)
• Asellus angarensis Dybowski, 1884 accepted as Baicalasellus angarensis (Dybowski, 1884)
• Asellus anophtalmus Karaman, 1934 accepted as Proasellus anophtalmus (Karaman, 1934)
• Asellus anophtalmus anophtalmus Karaman, 1934 accepted as Proasellus anophtalmus anophtalmus (Karaman, 1934)
• Asellus anophtalmus bosnicus Sket, 1965 accepted as Proasellus anophtalmus bosnicus (Sket, 1965)
• Asellus anophtalmus dalmatinus Karaman, 1955 accepted as Proasellus anophtalmus dalmatinus (Karaman, 1955)
• Asellus anophtalmus longisetus Remy, 1941 accepted as Proasellus anophtalmus longisetus (Remy, 1941)
• Asellus anophtalmus radikanus Karaman, 1955 accepted as Proasellus anophtalmus radikanus (Karaman, 1955)
• Asellus anophtalmus rhausinus Remy, 1941 accepted as Proasellus anophtalmus rhausinus (Remy, 1941)
• Asellus anophtalmus serbicus Karaman, 1955 accepted as Proasellus anophtalmus serbicus (Karaman, 1955)
• Asellus aquaecalidae Racovitza, 1922 accepted as Proasellus aquaecalidae (Racovitza, 1922)
• Asellus aquaticus (Linnaeus, 1758) represented as Asellus (Asellus) aquaticus (Linnaeus, 1758)
• Asellus arnautovici Remy, 1932 accepted as Proasellus arnautovici (Remy, 1932)
• Asellus arnautovici elongatus Karaman, 1953 accepted as Proasellus arnautovici elongatus (Karaman, 1953)
• Asellus arthrodilus Braga, 1945 accepted as Proasellus arthrodilus (Braga, 1945)
• Asellus attenuata Richardson, 1900 accepted as Caecidotea attenuata (Richardson, 1900)
• Asellus baicalensis Grube, 1872 accepted as Baicalasellus baicalensis (Grube, 1872)
• Asellus barri Steeves, 1965 accepted as Caecidotea barri (Steeves, 1965)
• Asellus bicrenata Steeves, 1963 accepted as Caecidotea bicrenata (Steeves, 1963)
• Asellus bicrenata bicrenata Steeves, 1963 accepted as Caecidotea bicrenata bicrenata (Steeves, 1963)
• Asellus bisetus Steeves, 1968 accepted as Lirceolus bisetus (Steeves, 1968)
• Asellus brevicauda Forbes, 1876 accepted as Caecidotea brevicauda (Forbes, 1876)
• Asellus brevicauda bivittatus Walker, 1961 accepted as Caecidotea brevicauda bivittatus (Walker, 1961)
• Asellus brevicauda brevicauda Forbes, 1876 accepted as Caecidotea brevicauda brevicauda (Forbes, 1876)
• Asellus californicus Miller, 1933 accepted as Calasellus californicus (Miller, 1933)
• Asellus cannula Steeves, 1963 accepted as Caecidotea cannula (Steeves, 1963)
• Asellus catachaetus Fleming & Steeves, 1972 accepted as Caecidotea catachaetus (Fleming & Steeves, 1972)
• Asellus cavaticus Leydig, 1871 accepted as Proasellus cavaticus (Leydig, 1871)
• Asellus cavaticus foreli Chappuis, 1948 accepted as Proasellus cavaticus (Leydig, 1871)
• Asellus cavaticus leruthi Arcangeli, 1935 accepted as Proasellus cavaticus (Leydig, 1871)
• Asellus cavaticus valdensis Chappuis, 1948 accepted as Proasellus valdensis (Chappuis, 1948)
• Asellus cavaticus walteri Chappuis, 1948 accepted as Proasellus walteri (Chappuis, 1948)
• Asellus circulus Steeves & Holsinger, 1968 accepted as Caecidotea circulus (Steeves & Holsinger, 1968)
• Asellus communis Say, 1818 accepted as Caecidotea communis (Say, 1818)
• Asellus conimbricensis Braga, 1946 accepted as Bragasellus conimbricensis (Braga, 1946)
• Asellus coxalis Dollfus, 1892 accepted as Proasellus coxalis (Dollfus, 1892)
• Asellus coxalis ibericus Braga, 1946 accepted as Proasellus ibericus (Braga, 1946)
• Asellus coxalis lucifugus Deelemann, 1965 accepted as Proasellus coxalis lucifugus Deeleman-Reinhold, 1965
• Asellus coxalis peyerimhoffi Racovitza, 1919 accepted as Proasellus coxalis peyerimhoffi (Racovitza, 1919)
• Asellus cyrtorhynchus Fleming & Steeves, 1972 accepted as Caecidotea cyrtorhynchus (Fleming & Steeves, 1972)
• Asellus deminutus Sket, 1959 accepted as Proasellus deminutus (Sket, 1959)
• Asellus deminutus intermedius Sket, 1965, partim. (unaccepted > nomen nudum)
• Asellus dentadactylus Mackin & Hubricht, 1938 accepted as Caecidotea dentadactyla (Mackin & Hubricht, 1938)
• Asellus extensolingualus Fleming, 1972 accepted as Caecidotea extensolinguala (Fleming, 1972)
• Asellus forbesi Williams, 1970 accepted as Caecidotea forbesi (Williams, 1970)
• Asellus foreli Blanc, 1879 accepted as Proasellus cavaticus (Leydig, 1871)
• Asellus foxi Fleming, 1972 accepted as Caecidotea foxi (Fleming, 1972)
• Asellus franciscoloi Chappuis, 1955 accepted as Proasellus franciscoloi (Chappuis, 1955)
• Asellus franzi Holsinger & Steeves, 1971 accepted as Caecidotea franzi (Holsinger & Steeves, 1971)
• Asellus frontellum Braga, 1964 accepted as Bragasellus frontellum (Braga, 1964)
• Asellus gardinii Arcangeli, 1942 accepted as Proasellus gardinii (Arcangeli, 1942)
• Asellus gauthieri Monod, 1924 accepted as Proasellus gauthieri (Monod, 1924)