Musculature of Seison nebaliae Grube, 1861 and Paraseison annulatus (Claus, 1876) revealed with CLSM: a comparative study of the gnathiferan key taxon Seisonacea (Rotifera) Francesca LeasiRicardo Cardoso NevesMartin Vinther Sørensen Original Paper 20 March 2012 Pages: 185 - 195
Male-specific flight apparatus development in Acyrthosiphon pisum (Aphididae, Hemiptera, Insecta): comparison with female wing polyphenism Kota OgawaAsano IshikawaToru Miura Original Paper 16 March 2012 Pages: 197 - 207
The spermatogenesis and sperm structure of Timema poppensis (Insecta: Phasmatodea) Marco GottardoDavid MercatiRomano Dallai Original Paper 05 May 2012 Pages: 209 - 223
Spiracle structure in scolopendromorph centipedes (Chilopoda: Scolopendromorpha) and its contribution to phylogenetics Varpu VahteraGregory D. EdgecombeGonzalo Giribet Original Paper 28 April 2012 Pages: 225 - 248
Spermiogenesis and sperm ultrastructure in ten species of Loricariidae (Siluriformes, Teleostei) Maria Angélica SpadellaClaudio OliveiraIrani Quagio-Grassiotto Original Paper 26 April 2012 Pages: 249 - 263
Gross anatomical features of the tongue, lingual skeleton and laryngeal mound of Rhea americana (Palaeognathae, Aves): morpho-functional considerations Martina CroleJohn Soley Original Paper 30 March 2012 Pages: 265 - 273