Manwell, Reginald D. Department of Zoology, College of Liberal Arts, Syracuse University, Syracuse, New York.
- Life cycle
- Parasitic species
- Additional Readings
A group of Protozoa sometimes regarded as an order within the class Haplosporea. The chief distinguishing characteristic of the Haplosporida, and the one from which their name is derived, is the production of uninucleate spores that lack polar capsules and polar filaments. A spore of Urosporidium fuliginosum, a haplosporidan parasitizing a polychaete annelid, is shown in Fig. 1. The spores of some species have lids.
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