| Panaeolus foenisecii (Pers.) J. Schröt., 1926 |
| Panaeolus papilionaceus (Bull.) Quél., 1872 |
| Panaeolus phalenarum (Fr.) Quél., 1872 |
| Panaeolus retirugis (Fr.) Gillet, 1878 |
| Panaeolus rickenii Hora, 1960 |
| Panaeolus semiovatus (Sowerby) S. Lundell & Nannf., 1938 |
| Panaeolus semiovatus var. semiovatus (Sowerby) S. Lundell & Nannf., 1938 |
| Panaeolus sphinctrinus (Fr.) Quél., 1872 |
| Panaeolus subbalteatus (Berk. & Broome) Sacc., 1887 |
| Pappimyces B. Sutton & Hodges, 1975 |
| Pappimyces hastatus B. Sutton & Hodges, 1975 |
| Paraceratocladium R. F. Castañeda, 1987 |
| Paraceratocladium silvestre R. F. Castañeda, 1987 |
| Paraliomyces Kohlm., 1959 |
| Paraliomyces lentifer Kohlm., 1959 |
| Parapericoniella U. Braun, Heuchert & K. Schub., 2005 |
| Parapericoniella asterinae (Deighton) U. Braun, Heuchert & K. Schub., 2005 |
| Parasympodiella Ponnappa, 1975 |
| Parasympodiella laxa (Subram. & Vittal) Ponnappa, 1975 |
| Patellariopsis Dennis, 1964 |