Fallisia is a subgenus of the genus Plasmodium - all of which are parastic protozoa. The subgenus was created by Lainson,Landau and Shaw in 1974. A revision of the genus Plasmodium by Levine in 1985 considered this subgenus to be a synonom of Plasmodium. The description of a new species Plasmodium siamense by Telford in 1986 lead to a resurection of this subgenus.
Species in this subgenus infect lizards and birds.
Species in the subgenus Fallisia have the following characteristics:
The schizonts and gametocytes are found in the circulaing leukocytes and thromobcytes or avian and lizard hosts.
These species infect lizards of the Iguanidae and Teiidae. They may also infect the Scincidae.
These parasites are found in the Neotropical area.