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Volume 1 / 1924 - Volume 131 / 2012
195-202
Original Article
The aquiferous system of two Oceanapia species (Porifera, Demospongiae) studied by corrosion casts
Giorgio Bavestrello, Barbara Calcinai, Massimo Boyer, Carlo Cerrano and Maurizio Pansini
203-211
In vivo study of microsclere formation in sponges of the genus Mycale (Demospongiae, Poecilosclerida)
Márcio R. Custódio, Eduardo Hajdu and Guilherme Muricy
213-220
Ultrastructural investigations on the cephalic and metameric nuchal organs of Spio cf. filicornis (Polychaeta, Spionidae)
Jacob Jelsing
221-234
Metameric organisation of the nervous system in developmental stages of Urechis caupo (Echiura) and its phylogenetic implications
René Hessling
235-241
Reproductive system and spermatozoa of Paraturbanella teissieri (Gastrotricha, Macrodasyida): implications for sperm transfer modality in Turbanellidae
Maria Balsamo, Marco Ferraguti, Loretta Guidi, Antonio M. Todaro and Paolo Tongiorgi
243-255
Functional anatomy of the sperm storage organs in Pulmonata: the simple spermatheca of Bradybaena fruticum (Gastropoda, Stylommatophora)
Nenad C. Bojat, Ursula Sauder and Martin Haase
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