| ultrastructural description of the spore maturation stages of the clam parasite minchinia tapetis (vilela, 1951) (haplosporida: haplosporidiidae). | the fine structure of maturing spores of a haplosporidian parasite found in the gill, mantle and foot tissues of ruditapes decussatus l. (mollusca, bivalvia), a species of commercial importance in portugal, is described. when observed free in suspension, immature spores exhibit one or two epispore cytoplasmic extensions (ece) which constitute a projection of a portion of the exosporoplasm, sometimes without ultrastructural organisation, surrounded by the plasmalemma. free spores observed by ligh ... | 2001 | 11466479 |