Male genital organs, spermatogenesis and spermatozoa in the enigmatic terrestrial polychaete Parergodrilus heideri (Annelida, Parergodrilidae) Günter Purschke Original Article 23 January 2002 Pages: 125 - 138
Serous gland polymorphism in the skin of Phyllomedusa hypochondrialis azurea (Anura, Hylidae): response by different gland types to norepinephrine stimulation Daniele NosiAlessandro TerreniGiovanni Delfino Original Article 12 February 2002 Pages: 139 - 148
Spermatozoa and spermatogenesis in Genostoma kozloffi (Plathelminthes, Rhabdocoela) Regina PfistermüllerSeth TylerGregory S. Hyra Original Article 12 February 2002 Pages: 149 - 158
Ultrastructure of dimorphic sperm and seminal receptacle in the hermaphrodites Barrimysia siphonosomae and Pseudopythina ochetostomae (Bivalvia, Galeommatoidea) Åse JespersenJørgen LützenBrian Morton Original Article 28 March 2002 Pages: 159 - 172
The musculature of the praesoma in Macracanthorhynchus hirudinaceus (Acanthocephala, Archiacanthocephala): re-examination and phylogenetic significance Holger Herlyn Original Article 24 April 2002 Pages: 173 - 182
Ultrastructure of the renopericardial complex in Hypselodoris tricolor (Gastropoda, Nudibranchia) Alexander FahrnerGerhard Haszprunar Original Article 27 March 2002 Pages: 183 - 194