Ultrastructure of spermatozoa in Orthalicidae (Mollusca, Gastropoda, Stylommatophora) and its systematic implications María Gabriela Cuezzo Original Paper 17 June 2011 Pages: 147 - 166
Ultrastructure of the ventral pharynx in the interstitial annelid Questa paucibranchiata (Orbiniidae) and its phylogenetic significance Arne BeermannOlav GiereGünter Purschke Original Paper 07 July 2011 Pages: 167 - 180
Microstructure and formation of the calcareous operculum in Pyrgopolon ctenactis and Spirobranchus giganteus (Annelida, Serpulidae) Olev VinnHarry A. ten Hove Original Paper 03 August 2011 Pages: 181 - 188
The fate of the larval epidermis in the Desor-larva of Lineus viridis (Pilidiophora, Nemertea) displays a historically constrained functional shift from planktotrophy to lecithotrophy Jörn von Döhren Original Paper 28 July 2011 Pages: 189 - 196
Incipient morphological castes in Polistes gallicus (Vespidae, Hymenoptera) Leonardo DapportoIacopo PetrocelliStefano Turillazzi Original Paper 29 June 2011 Pages: 197 - 201
A comparative survey of proboscis morphology and associated structures in fruit-piercing, tear-feeding, and blood-feeding moths in Calpinae (Lepidoptera: Erebidae) Jennifer M. ZaspelS. J. WellerM. A. Branham Original Paper 02 August 2011 Pages: 203 - 225
