P. mystaceus
# P. mystaceus

P. mystaceus may refer to:

* Phidippus mystaceus, a species in the genus Phidippus
* Phrynocephalus mystaceus, a species in the genus Phrynocephalus
* Platyrinchus mystaceus, a species in the genus Platyrinchus
* Proagonistes mystaceus, a species in the genus Proagonistes
