Isomeria aequatoriana (Hidalgo, 1867) | 
Isomeria aff. calomorpha (Jonas, 1839) | 
Isomeria aff. subcastanea (Pfeiffer, 1842) | 
Isomeria atrata (Pfeiffer, 1852) | 
Isomeria bituberculata (Pfeiffer, 1852) | 
Isomeria bourcieri (Pfeiffer, 1852) | 
Isomeria calomorpha (Jonas, 1839) | 
Isomeria cf. cymatodes (Pfeiffer, 1852) |
Isomeria cf. oreas (F. C. L. Koch, 1844) | 
Isomeria cymatodes (Pfeiffer, 1853) | 
Isomeria kolbergi (K. Miller, 1878) | 
Isomeria loxensis Miller, 1879 | 
Isomeria mauritii Jousseaume, 1887 | 
Isomeria neogranadensis (Pfeiffer, 1845) | 
Isomeria ritchieana Pilsbry, 1889 | 
Isomeria sp. 94019 |
Isomeria subcastanea (Pfeiffer, 1842) | 
Labyrinthus manueli Higgins, 1872 | 
Labyrinthus raimondii (Philippi, 1867) | 
Labyrinthus tarapotensis baeri Dautzenberg, 1902 | | | | |
