Squa - Syno
- Squalidae
- Squalidus
- Squalidus gracilis
- Squaliformes
- Squaliobarbus
- Squaliobarbus curriculus
- Squaliolus
- Squaliolus laticaudus
- Squalogadus
- Squalogadus modificatus
- Squalus
- Squalus acanthias
- Squalus asper
- Squalus blainvillei
- Squalus cubensis
- Squalus japonicus
- Squalus megalops
- Squalus melanurus
- Squalus mitsukurii
- Squalus rancureli
- Squamicreedia
- Squamicreedia obtusa
- Squatina
- Squatina aculeata
- Squatina africana
- Squatina argentina
- Squatina armata
- Squatina australis
- Squatina californica
- Squatina dumeril
- Squatina formosa
- Squatina japonica
- Squatina nebulosa
- Squatina oculata
- Squatina squatina
- Squatina tergocellata
- Squatina tergocellatoides
- Squatinidae
- Squatiniformes
- Stalix