P. ephippifer, [574], [575], [602]

Psychropotes, [572]

Pteraster, [455], [466];

P. stellifer, [465];

P. militaris, [466]

Pterasteridae, [455], [466]

Pterocephalus, [97]

Pteroeides, [359], [361]

Pteroeididae, [361]

Puffballs, [91]