''Haemamoeba'' is a subgenus of the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

Plasmodium ''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a Hematophagy, blood-feeding insect host (biology), host which then inj ...

'' — all of which are parasites. The subgenus was created in 1963 by created by Corradetti ''et al.''.

Species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

in this subgenus infect

bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

s. __TOC__

Diagnostic features

Species in the subgenus ''Haemamoeba'' have the following characteristics: Mature

schizont Apicomplexans, a group of intracellular parasites, have life cycle stages that allow them to survive the wide variety of environments they are exposed to during their complex life cycle. Each stage in the life cycle of an apicomplexan organism ...

s are larger than the host

cell Cell most often refers to: * Cell (biology), the functional basic unit of life * Cellphone, a phone connected to a cellular network * Clandestine cell, a penetration-resistant form of a secret or outlawed organization * Electrochemical cell, a de ...

nucleus Nucleus (: nuclei) is a Latin word for the seed inside a fruit. It most often refers to: *Atomic nucleus, the very dense central region of an atom *Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA Nucleu ...

and commonly displace it.

Gametocyte A gametocyte is a eukaryotic germ cell that divides by mitosis into other gametocytes or by meiosis into gametids during gametogenesis. Male gametocytes are called ''spermatocytes'', and female gametocytes are called ''oocytes''. Development T ...

s are large, round, oval or irregular in shape and are substantially larger than the host nucleus.

Species in this subgenus

* ''

Plasmodium cathemerium ''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a verteb ...

'' * '' Plasmodium coggeshalli'' * ''

Plasmodium elongatum ''Plasmodium elongatum'' is a malaria parasite discovered by Hartman and first disclosed in Hartman 1927. Study of it has been fundamental to understanding the lifecycle of malaria along with study of '' P. gallinaceum'', also a malaria para ...

'' * ''

Plasmodium gallinaceum ''Plasmodium gallinaceum'' is a species of the genus ''Plasmodium'' (subgenus ''Haemamoeba'') that causes malaria in poultry. Description This species was described by Emile Brumpt, Alexandre Joseph Emile Brumpt (1877–1951) a French professo ...

'' * '' Plasmodium giovannolai'' * '' Plasmodium griffithsi'' * '' Plasmodium lutzi'' * '' Plasmodium matutinum'' * '' Plasmodium parvulum'' * ''

Plasmodium relictum ''Plasmodium relictum'' is a species in the genus ''Plasmodium,'' subgenus '' Haemamoeba''. It is a parasite, and the most common cause of malaria in birds. Like all ''Plasmodium'' species, ''P. relictum'' has both vertebrate and insect hosts. ...

'' * '' Plasmodium tejerai''

References

Plasmodium subgenera Parasites of birds {{Plasmodium-stub