- palm
- palp
- pcl
- peduncle
- penis
- pereiopod
- photophore
- pleopod
- podobranch
- podophthalmite
- pollex
- post-cardiac
- postcervical groove
- posterior carina
- posterior tooth
- postero-lateral region
- postfrontal
- postorbital carina
- postorbital groove
- postorbital spine
- pregastric tooth
- propodus
- protogastric region
- protogastric ridges
- protopod
- pseudorostrum
- pterygostomial region