Lirceus is a genus of isopod crustaceans in the family Asellidae that live in southern Canada and the eastern United States as far west as the Great Plains. Of the 15 species in the genus, two are listed as either endangered (EN) or vulnerable (VU) on the IUCN Red List.
Lirceus alabamae Hubricht & Mackin, 1949 – AlabamaLirceus bicuspidatus Hubricht & Mackin, 1949 – ArkansasLirceus bidentatus Hubricht & Mackin, 1949 – ArkansasLirceus brachyurus (Harger, 1876) – Pennsylvania, Virginia, West VirginiaLirceus culveri Estes & Holsinger, 1976 – Virginia Lirceus fontinalis Rafinesque-Schmaltz, 1820 – Ohio, Indiana, Illinois, Kentucky, TennesseeLirceus garmani Hubricht & Mackin, 1949 – Missouri, Arkansas, Kansas, OklahomaLirceus hargeri Hubricht & Mackin, 1949 – Tennessee, VirginiaLirceus hoppinae (Faxon, 1889) – Missouri, Arkansas, OklahomaLirceus lineatus (Say, 1818) – Canada, eastern United StatesLirceus louisianae (Mackin & Hubricht, 1938) – Illinois, Missouri, Arkansas, LouisianaLirceus megapodus Hubricht & Mackin, 1949 – MissouriLirceus richardsonae Hubricht & Mackin, 1949 – OhioLirceus trilobus Hubricht & Mackin, 1949 – OklahomaLirceus usdagalun Holsinger & Bowman, 1973 – Virginia