title: [Ultrastructure and sytemic place of Pyrsonympha vertens (Zooflagellata Pyrsonymphina)].
mesh_terms: D056890:Eukaryota / Q000145:classification* / Q000166:cytology*; D005407:Flagella; D008854:Microscopy, Electron; D009940:Organoids
vernacular_title: Sur l'ultrastructure et la position systématique de Pyrsonympha vertens (Zooflagellata Pyrsonymphina)