ORIGINAL PAPERS

Waking the Dead: Morphological and MolecularCharacterization of Extant †Posoniella tricarinelloides (Thoracosphaeraceae, Dinophyceae)
H. Gu, M. Kirsch, C. Zinssmeister, S. Soehner, K. J. S. Meier, T. Liu and M. Gottschling

The Microtubular Cytoskeleton of the Apusomonad Thecamonas, a Sister Lineage to the Opisthokonts
A.A. Heiss, G. Walker and A. G. B. Simpson

Morphological Transition in Kleptochloroplasts after Ingestion in the Dinoflagellates Amphidinium poecilochroum and Gymnodinium aeruginosum (Dinophyceae)
R. Onuma and T. Horiguchi

Morphology, Genome Plasticity, and Phylogeny in the Genus Ostreococcus Reveal a Cryptic Species, O. mediterraneus sp. nov. (Mamiellales, Mamiellophyceae)
L. Subirana, B. Péquin, S. Michely, M.-L. Escande, J. Meilland, E. Derelle, B. Marin, G. Piganeau, Y. Desdevises, H. Moreau and N. H. Grimsley

Synchronous Induction of Detachment and Reattachment of Symbiotic Chlorella spp. from the Cell Cortex of the Host Paramecium bursaria
Y. Kodama and M. Fujishima

A New Clade, Based on Partial LSU rDNA Sequences, of Unarmoured Dinoflagellates
A. Reñé, M. de Salas, J. Camp, V. Balagué and E. Garcés

First Evidence of the Existence of Semi-Cryptic Species and of a Phylogeographic Structure in the Gomphonema parvulum (Kützing) Complex (Bacillariophyta)
L. Kermarrec, A. Bouchez, F. Rimet and J.-F. Humbert

The Mystery of Clade X: Orciraptor gen. nov. and Viridiraptor gen. nov. are Highly Specialised, Algivorous Amoeboflagellates (Glissomonadida, Cercozoa)
S. Hess and M. Melkonian

Signal Recognition Particle RNA in Dinoflagellates and the Perkinsid Perkinsus marinus
H. Zhang, D. A. Campbell, N. R. Sturm, M. A. Rosenblad, C. F. Dungan and S. Lin