Volume 47 no. 1-2

VOL. 47, NO. 1−2
Malacologia
2005

Clade Caenogastropoda .................................................................................................... 247

Caenogastropoda of uncertain systematic position .......................................................... 247

Informal Group Architaenioglossa ..................................................................................... 247

Clade Sorbeoconcha .......................................................................................................... 248

Clade Hypsogastropoda .....................................................................................................249

Clade Littorinimorpha ....................................................................................................... 250

Informal Group Ptenoglossa .............................................................................................. 254

Clade Neogastropoda ........................................................................................................ 254

Clade Heterobranchia ........................................................................................................ 257

Informal Group Lower Heterobranchia ............................................................................... 257

Informal Group Opisthobranchia ....................................................................................... 258

Clade Cephalaspidea ......................................................................................................... 258

Clade Thecosomata  ...........................................................................................................259

Clade Gymnosomata .......................................................................................................... 259

Clade Aplysiomorpha ......................................................................................................... 260

“Group” Acochlidiacea .........................................................................................................260

Clade Sacoglossa ................................................................................................................ 260

“Group” Cylindrobullida ...................................................................................................... 261

Clade Umbraculida ..............................................................................................................261

Clade Nudipleura ............................................................................................................... 261

Clade Pleurobranchomorpha .............................................................................................. 261

Clade Nudibranchia ........................................................................................................... 261

Clade Euctenidiacea ........................................................................................................... 261

Clade Dexiarchia ............................................................................................................... 262

Clade Pseudoeuctenidiacea ............................................................................................... 262

Clade Cladobranchia ......................................................................................................... 262

Clade Euarminida .............................................................................................................. 262

Clade Dendronotida .......................................................................................................... 262

Clade Aeolidida ................................................................................................................. 263

Informal Group Pulmonata ................................................................................................ 263

Informal Group Basommatophora ..................................................................................... 263

Clade Eupulmonata .......................................................................................................... 264

Clade Systellommatophora .............................................................................................. 264

Clade Stylommatophora ................................................................................................... 264

Clade Elasmognatha ......................................................................................................... 264

Clade Orthurethra ............................................................................................................. 265

Informal Group Sigmurethra ............................................................................................. 266

Acknowledgements .......................................................................................................... 284

References [Bouchet & Rocroi] .......................................................................................... 284

Index ................................................................................................................................ 369

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