Ultrastructure of sperm and male reproductive system in Lineus viridis (Heteronemertea, Nemertea) Jörn von DöhrenThomas Bartolomaeus Original Article 25 July 2006 Pages: 175 - 185
Peristomatic structures in Scutigeromorpha (Chilopoda): a comparative study, with new characters for higher-level systematics Markus KochGregory D. Edgecombe Original Article 29 August 2006 Pages: 187 - 207
Functional morphology of Tethya species (Porifera): 1. Quantitative 3D-analysis of Tethya wilhelma by synchrotron radiation based X-ray microtomography Michael NickelTilman DonathFelix Beckmann Original Article 29 June 2006 Pages: 209 - 223
Functional morphology of Tethya species (Porifera): 2. Three-dimensional morphometrics on spicules and skeleton superstructures of T. minuta Michael NickelEric BullingerFelix Beckmann Original Article 09 August 2006 Pages: 225 - 239