plural noun
Hap·lo·spo·rid·ia | \ ˌhap(ˌ)lōspəˈridēə \

Definition of Haplosporidia 

: a small order of Acnidosporidia comprising parasites in invertebrates and lower vertebrates and being of no known economic importance

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History and Etymology for Haplosporidia

New Latin, from plural of Haplosporidium genus of Acnidosporidia, from hapl- + sporidium

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occurring twice a year or every two years

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