Dodatak:Popis mekušaca, Pt
Pt uredi
- Pteraeolidia
- Pteria
- Pteriidae
- Pterioida
- Pterioidea
- Pterochelus
- Pteroctopus
- Pteromeris
- Pteropurpura
- Pterorytis
- Pterotrachea
- Pterotracheidae
- Pterotracheoidea
- Pterotyphis
- Pterygia
- Pterygioteuthis
- Pterymarchia
- Pterynotus
- Ptilomyax
- Ptychatractidae
- Ptychatractus
- Ptycheulimella
- Ptychobela
- Ptychobranchus
- Ptychocardia
- Ptychodon
- Ptychorhynchus
- Ptychosalpinx
- Ptychosyrinx