Identification keys available for Family Paralichthyidae
| Key | Title |
| 395 | Key to the species of sand flounders (Paralichthyidae) occuring in the Western Central Pacific. |
| 707 | Key to genera of large-toothed flounders (Paralichthyidae) from China. |
| 708 | Key to species of Pseudorhombus from China. |
| 1102 | Key to the species of sand flounders (Paralichthyidae) occurring in the Western Central Atlantic. |
| 1740 | Key to the species of the genus Paralichthys Girard, 1858 (Pleuronectiformes: Paralichthyidae) of the Atlantic Ocean, 11 spp. as of 2018. |
| 1741 | Key to the species of the genus Paralichthys Girard, 1858 (Pleuronectiformes: Paralichthyidae) of the Pacific Ocean, 8 spp. as of 2018. |