| Baicalasellus Stammer, | 4 species | well-developed eyes and | endemic of Baikal Lake and |
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| 1932 | | pigmentation, shallow waters | Angara |
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| Bragasellus Henry & | 20 species | surface and subterranean | Iberian peninsula |
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| Magniez, 1968 | | lineages with vestigial eyes or | |
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| | anophtalmic | |
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| Caecidotea Packard, 1871 | (ca. 99 spp.) a huge | surface and troglomorphic | west and east coast of North |
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| genus with several | populations with vestigial | America to Yucatán |
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| morphogroups | eyes or anophtalmic | |
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| Chthonasellus Argano & | monotypic | subterranean linage, | endemic of Piedmont, NW Italy |
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| Messana, 1991 | | anophtalmic | |
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| Gallasellus Henry & | monotypic | subterranean linage, | Nouvelle-Aquitaine, SW |
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| Magniez, 1977 | | anophtalmic | France, in hyporhea |
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| Lirceolus Bowman & | 6 species | subterranean lineages, | Texas, USA, mostly in caves |
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| Longley, 1976 | | anophtalmic | |
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| Lirceus Rafinesque, 1820 | 15 species | surface and subterranean | preferably the southern Ontario |
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| | lineages with vestigial eyes or | and eastern United States |
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| | anophtalmic | |
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| Nipponasellus Matsumoto, | (7 spp.) along a couple | subterranean lineages, | East Asia, Japan, South |
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| 1962 | of a new species, with | anophtalmic | Primorye, in hyporhea |
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| subdivision of the genus | | |
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| into informal species | | |
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| groups | | |
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| Proasellus Dudich, 1925 | (ca. 129 spp.) a huge | surface and troglomorphic | Circum-Mediterranean, Europe, |
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| genus with several | populations with vestigial | Caucasus |
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| morphogroups | eyes or anophtalmic | |
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| Remasellus Bowman & | monotypic | subterranean linage, | endemic of Florida, USA |
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| Sket, 1985 | | anophtalmic, troglobitic | |
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| | swimming species | |
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| Salmasellus Bowman, | 2 species | subterranean lineages, | Canada, Washington, USA |
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| 1975 | | anophtalmic | |
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| Stygasellus Chappuis, | monotypic | subterranean linage, | K̂r̂s, Hungarian-Romanian |
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| 1943 | | anophtalmic | border, in hyporhea |
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| Synasellus Braga, 1944 | 34 species | subterranean lineages, | Iberian peninsula |
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| | anophtalmic | |
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| Calasellus - Columbasellus interim-group (2 genera) |
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| Calasellus Bowman, 1981 | 2 species | subterranean lineages, | California |
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| | anophtalmic | |
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| Columbasellus Lewis, | monotypic | subterranean linage, | endemic of Columbia River |
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| Martin & Wetzer, 2003 | | anophtalmic | basin, USA, in wells |
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| Asellus macro-group (5 genera, 3 sub-genera) |
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| Asellus (Asellus) Geoffroy, | 16 species | surface and subterranean | Europe, Middle Asia, Siberia |
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| 1762 | | lineages with vestigial eyes or | and East Asia |
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| | anophtalmic | |
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| Asellus (Arctasellus) Henry & Magniez, 1995 | 3 species | surface lineages | W Siberia, Chukotka and Alaska |
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| Asellus (Mesoasellus) Birstein, 1939 | monotypic | depigmented, eyes partially reduced, at depths | endemic of Baikal Lake |
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| Phreatoasellus Matsumoto, 1962 | 9 species | subterranean lineages, anophtalmic | East Asia, S. Korea, Japan |
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| Sibirasellus Henry & Magniez, 1993 | 2 species | subterranean lineages, anophtalmic | East Asia, N Primorye, Khabarovsk |
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| ? Uenasellus Matsumoto, 1962 | monotypic | subterranean linage, anophtalmic | East Asia, Japan |
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| Limnoasellus, nomen nudum | probably synonym of Mesoasellus | unknown | endemic of Baikal Lake |
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