Squatinidae
Squatinidae, spezie di cagnacci.

Squadri 
- Squadru spinosu (Squatina aculeata, Cuvier, 1829)
- Squadru cumunu (Squatina squatina, Linnaeus, 1758)
- Squadru taculatu (Squatina oculata, Bonaparte, 1840))
- Squatina argentina (Marini, 1930)
- Squatina australis (Regan, 1906)
- Squatina formosa (Shen & Ting, 1972)
- Squatina legnota (Last & White, 2008)
- Squatina squatina (Linnaeus, 1758)
- Squatina tergocellata (McCulloch, 1914)

Biolugia
Squatinidae