Isomeria Albers, 1850 (taxonomy source)
Isomeria aequatoriana (Hidalgo, 1867) (basis of record)
Isomeria aloagana Jousseaume, 1887 (basis of record)
Isomeria anodonta Pilsbry, 1949 (basis of record)
Isomeria basidens (Mousson, 1873) (basis of record)
Isomeria basidens basidens (Mousson, 1873) (basis of record)
Isomeria basidens gudeana (Ancey, 1904) (basis of record)
Isomeria continua (Reeve, 1854) (basis of record)
Isomeria cymatodes (L. Pfeiffer, 1852) (basis of record)
Isomeria fordiana (Pilsbry, 1889) (basis of record)
Isomeria gealei (E. A. Smith, 1877) (basis of record)
Isomeria globosa (Broderip, 1832) (basis of record)
Isomeria hartwegi (L. Pfeiffer, 1846) (basis of record)
Isomeria inexpectata Solem, 1966 (original description)
Isomeria jacksoni Solem, 1966 (original description)
Isomeria jacksoni Solem, 1966 (status source)
Isomeria juno (L. Pfeiffer, 1850) (basis of record)
Isomeria kolbergi (K. Miller, 1878) (basis of record)
Isomeria medemi Solem, 1966 (original description)
Isomeria meobambensis (L. Pfeiffer, 1857) (basis of record)
Isomeria minuta Solem, 1966 (original description)
Isomeria neogranadensis (L. Pfeiffer, 1845) (basis of record)
Isomeria scalena (E. von Martens, 1885) (basis of record)
Isomeria stoltzmanni (Lubomirski, 1880) (basis of record)
Isomeria subelliptica (Mousson, 1869) (basis of record)
Isomeria triodonta (A. d'Orbigny, 1835) (basis of record)
Labyrinthus H. Beck, 1837 (basis of record)
Labyrinthus bifurcatus (Deshayes, 1838) (basis of record)
Labyrinthus clappi (Pilsbry, 1901) (basis of record)
Labyrinthus creveauxianus (Ancey, 1890) (basis of record)
Labyrinthus diminutus Gude, 1903 (basis of record)
Labyrinthus dunkeri (Reeve, 1852) (basis of record)
Labyrinthus ellipsostomus (Reeve, 1854) (basis of record)
Labyrinthus furcillatus (Hupé, 1853) (source of synonymy)
Labyrinthus isodon (Reeve, 1853) (basis of record)
Labyrinthus leprieurii (Petit de la Saussaye, 1840) (basis of record)
Labyrinthus leucodon leucodon (L. Pfeiffer, 1847) (basis of record)
Labyrinthus leucodon umbrus F. G. Thompson, 1957 (basis of record)
Labyrinthus magdalenensis Solem, 1966 (original description)
Labyrinthus manueli E. T. Higgins, 1872 (basis of record)
Labyrinthus marmatensis Pilsbry, 1910 (basis of record)
Labyrinthus otostomus assimilans E. A. Smith, 1897 (basis of record)
Labyrinthus otostomus bogotensis (Reeve, 1854) (basis of record)
Labyrinthus otostomus otostomus (Reeve, 1852) (basis of record)
Labyrinthus plicatus (Born, 1778) (basis of record)
Labyrinthus pronus Pilsbry, 1932 (basis of record)
Labyrinthus quadridentatus (Broderip, 1832) (additional source)
Labyrinthus quadridentatus biolleyi Solem, 1966 (original description)
Labyrinthus raimondii (R. A. Philippi, 1867) (basis of record)
Labyrinthus sieversi (E. von Martens, 1889) (basis of record)
Labyrinthus subplanatus (Petit de la Saussaye, 1843) (basis of record)
Labyrinthus subplanatus erectus (Mousson, 1873) (basis of record)
Labyrinthus subplanatus sipunculatus (Forbes, 1850) (basis of record)
Labyrinthus subplanatus subplanatus (Petit de la Saussaye, 1843) (basis of record)
Labyrinthus tamsianus (Dunker, 1847) (basis of record)
Labyrinthus tarapotoensis (J. Moricand, 1858) (basis of record)
Labyrinthus tarapotoensis baeri (Dautzenberg, 1902) (basis of record)
Labyrinthus tarapotoensis tarapotoensis (Moricand, 1858) (basis of record)
Labyrinthus vexans (Dohrn, 1875) (basis of record)