Species (41)
- Phalaena opalina Esper, 1793
- Calophasia opalina (Esper, 1793)
- Rissoella opalina
- Theora opalina
- Mesalia opalina Adams A. & Reeve
- Nectria opalina P. Crouan & H. Crouan 1867
- Leucostigma leucostigma Roßmäßler / Rossmässler ssp. opalina
- Leucostigma cinera Roßmäßler / Rossmässler ssp. opalina
- Opalina planarium
- Opalina part.
- Opalina filum
- Opalina inermis
- Opalina anodontae
- Opalina branchiarum
- Opalina armata
- Opalina cerebriformis
- Opalina prolifera
- Opalina similis
- Opalina uncinata Schultze 1851
- Opalina recurva Claparède & Lachmann 1859
- Opalina discoglossi
- Opalina dimidiata
- Opalina intestinalis
- Opalina lineata
- Opalina lineta
- Opalina mytili Quennerstedt 1867
- Opalina lumbrici Dujardin 1841
- Opalina naidum
- Opalina obtrigona
- Opalina naidos
- Opalina planariarum Siebold 1839
- Opalina polymorpha
- Opalina dimiduata
- Opalina oktrigena
- Opalina caudata
- Opalina ranarum
- Opalina secans Stein 1859
- Opalina cordiformis Perty 1852
- Opalina tritonis Perty 1852
- Calophasia casta Borkhausen, 1793
- Phalaena casta Borkhausen, 1793