Tetramyxa is a cercozoan protist, member of the plasmodiophores, parasite of several flowering plants.

[2] It was first described by Karl von Goebel in 1884, in his work Flora.

[1] The genus is characterized by the appearance of resting spores (or cysts) in groups of four.

[3] There are two accepted species:[2][4] The following additional species, though recognized as Tetramyxa, are listed as doubtful in some sources:[2]

This Cercozoa-related article is a stub.