1. Species Pliciscala astenocolpa Cossmann, 1912 † (uncertain > unassessed)
2. Species Pliciscala sougraignensis Delpey, 1938 † (uncertain > unassessed)
3. Subgenus Pliciscala (Dentiscala) de Boury, 1886 † accepted as Dentiscala de Boury, 1886 (unaccepted > superseded rank)
   1. Species Pliciscala (Dentiscala) procrenata Sacco, 1891 † (uncertain > unassessed)
   2. Species Pliciscala (Dentiscala) crenata (Linnaeus, 1758) † accepted as Opalia crenata (Linnaeus, 1758) (unaccepted > superseded combination)
4. Subgenus Pliciscala (Funiscala) de Boury, 1890 accepted as Funiscala de Boury, 1890 (unaccepted > superseded rank)
   1. Species Pliciscala (Funiscala) apenninica Sacco, 1891 † (uncertain > unassessed)
   2. Species Pliciscala (Funiscala) mioparvula Sacco, 1891 † (uncertain > unassessed)
   3. Species Pliciscala (Funiscala) miopusilla Kautsky, 1925 † (uncertain > taxon inquirendum)
   4. Species Pliciscala (Funiscala) mioturrita Sacco, 1891 † (uncertain > unassessed)
   5. Species Pliciscala (Funiscala) tauroturrita Sacco, 1891 † (uncertain > unassessed)
   6. Species Pliciscala (Funiscala) amandae O. Boettger, 1906 † accepted as Cylindriscala amandae (O. Boettger, 1906) † (unaccepted > superseded combination)
   7. Species Pliciscala (Funiscala) infans O. Boettger, 1906 † accepted as Funiscala infans (O. Boettger, 1906) † (unaccepted > superseded combination)
   8. Species Pliciscala (Funiscala) microscopica O. Boettger, 1906 † accepted as Nodiscala microscopica (O. Boettger, 1906) † (unaccepted > superseded combination)
5. Subgenus Pliciscala (Nodiscala) de Boury, 1890 accepted as Opalia H. Adams & A. Adams, 1853 (unaccepted > junior subjective synonym)
   1. Species Pliciscala (Nodiscala) ahiparana A. W. B. Powell, 1930 accepted as Opalia ahiparana (A. W. B. Powell, 1930) (superseded combination)
   2. Species Pliciscala (Nodiscala) bimonilifera O. Boettger, 1902 † accepted as Nodiscala bimonilifera (O. Boettger, 1902) † accepted as Nodiscala scacchii (M. Hörnes, 1856) † (unaccepted > superseded combination)
   3. Species Pliciscala (Nodiscala) transsylvanica O. Boettger, 1902 † accepted as Nodiscala transsylvanica (O. Boettger, 1902) † (unaccepted > superseded combination)
6. Subgenus Pliciscala (Punctiscala) de Boury, 1890 accepted as Punctiscala de Boury, 1890 (unaccepted > superseded rank)
   1. Species Pliciscala (Punctiscala) disjuncta (Bronn, 1831) † (uncertain > unassessed)
   2. Species Pliciscala (Punctiscala) forestii de Boury, 1890 † (uncertain > unassessed)
   3. Species Pliciscala (Punctiscala) longiuscula Sacco, 1891 † (uncertain > unassessed)
7. Subgenus Pliciscala (Torquatiscala) de Boury, 1912 † accepted as Cylindriscala de Boury, 1909 (unaccepted > junior subjective synonym)
   1. Species Pliciscala (Torquatiscala) nincki de Boury, 1912 † accepted as Opalia nincki (de Boury, 1912) † (unaccepted > superseded combination)
8. Subgenus Pliciscala (Turriscala) De Boury, 1890 accepted as Turriscala de Boury, 1890 † (unaccepted > superseded rank)
   1. Species Pliciscala (Turriscala) sublamarcki Sacco, 1891 † (uncertain > unassessed)
   2. Species Pliciscala (Turriscala) torulosa (Brocchi, 1814) † accepted as Turriscala torulosa (Brocchi, 1814) † (unaccepted > superseded combination)
9. Species Pliciscala ahiparana A. W. B. Powell, 1930 accepted as Opalia ahiparana (A. W. B. Powell, 1930) (superseded combination)
10. Species Pliciscala komitica Laws, 1944 † accepted as Opalia komitica (Laws, 1944) † (superseded combination)
11. Species Pliciscala macilenta Cossmann, 1912 † accepted as Nodiscala macilenta (Cossmann, 1912) † (unaccepted > superseded combination)
12. Species Pliciscala waikakahiensis P. A. Maxwell, 1992 † accepted as Opalia waikakahiensis (P. A. Maxwell, 1992) †

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