Spermatium (spermatium), is a real gametes, also known as non spore, cilia and flagella, not freedom of movement by the wind or water that drives the male gamete, a film, but also can carry out the deformation and movement.
Ascomycetes of cysts and bacteria (Laboulbenisles) have the gamete orders. The gamete cells called immotile sperm sac. For example, it ends in the formation of red algae, filamentous algae internal branches can produce a spermatium, coated after rupture and extrusion, and then in a fruit bag is inside. It is the most simple sperm is. Some also handle rust spores, domesticating basidiospore, pyrenomycetes and Discomycetes small conidia designated such.