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''Haemocystidium'' is a genus of parasitic protozoa belonging to the phylum Apicomplexia. ==History== The genus ''Haemocystidium'' was created to give a name to the haemoproteid of a gecko belonging to the genus ''Hemidactylus'' in Sri Lanka by Castellani and Willey in 1904. A second species in this genus was described in 1909 by Johnston and Cleland who found pigmented gametocytes in the blood of the Australian tortoise ''Chelodina longicollis''. These species were transferred to ''Haemoproteus'' in 1926 by Wenyon. The genus was resurrected by Garnham in 1966 when he created a new generic name - ''Simondia'' - for the haemoproteids of chelonians. He followed the opinions of Wenyon, Hewitt and DeGiusti and suggested that all these parasites belonged to the one species - ''Simondia metchnikovi''. He retained the name ''Haemocystidium'' for the haemoproteids of lizards. Levine and Campbell in 1971 moved all the species in ''Simondia'' and ''Haemocystidium'' into ''Haemoproteus'' an opinion that was followed by subsequent authors. The genus ''Haemocystidium'' was resurrected again by Telford in 1996 when he described three new species of protozoa in geckos from Pakistan.〔Telford SR (1996) Two new species of ''Haemocystidium'' Castellani & Willey (Apicomplexa: Plasmodiidae) from Pakistani lizards, and the support their meronts provide for the validity of the genus. Systematic Parasitol 34 (3) 197-214〕 This genus like those of many protozoa may be further modified once additional DNA sequences are available. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Haemocystidium」の詳細全文を読む スポンサード リンク
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