Phylogenetic and Morphological Diversity of Novel Soil Cercomonad Species with a Description of Two New Genera (Nucleocercomonas and Metabolomonas)
M. Brabender, Á. K. Kiss, A. Domonell, F. Nitsche and H. Arndt

Cytotoxic Effects Exerted by Tritrichomonas foetus Pseudocysts
A. Pereira-Neves, L. F. Nascimento and M. Benchimol

Synchroma pusillum sp. nov. and other New Algal Isolates with Chloroplast Complexes Confirm the Synchromophyceae (Ochrophyta) as a Widely Distributed Group of Amoeboid Algae
M. Schmidt, S. Horn, K. Flieger, K. Ehlers, C. Wilhelm and R. Schnetter

Ultrastructure and Molecular Phylogeny of Thaumatomonads (Cercozoa) with Emphasis on Thaumatomastix salina from Oslofjorden, Norway
S. Ota, W. Eikrem and B. Edvardsen

Oxnerella micra sp. n. (Oxnerellidae fam. n.), a Tiny Naked Centrohelid, and the Diversity and Evolution of Heliozoa
T. Cavalier-Smith and E. E. Chao

A Trypanosoma brucei Protein Required for Maintenance of the Flagellum Attachment Zone and Flagellar Pocket ER Domains
S. Lacomble, S. Vaughan, M. Deghelt, F. Fernandes Moreira-Leite and K. Gull

Cosmopolitan Distribution of a Typanosomatid Leptomonas pyrrhocoris
J. Votýpka, H. Klepetková, V. Y. Yurchenko, A. Horák, J. Lukeš and D. A. Maslov

Quantification of Individual Fagellate - Bacteria Interactions within Semi-natural Biofilms
M. Erken, N. Farrenschon, S. Speckmann, H. Arndt and M. Weitere

Characterization and Taxonomic Validity of the Ciliate Oxytricha trifallax (Class Spirotrichea) Based on Multiple Gene Sequences: Limitations in Identifying Genera Solely by Morphology
S. D. Zoller, R. L. Hammersmith, E. C. Swart, B. P. Higgins, T. G. Doak, G. Herrick and L. F. Landweber

Characteristics of the Digestive Vacuole Membrane of the Alga-Bearing Ciliate Paramecium bursaria
Y. Kodama and M. Fujishima