FOREWORD / PREFACE .............................................. 9
Serge GOFAS
Deep water Pyramidelloidea of the Tropical South Pacific:
Turbonilla and related genera .................................. 13
Anselmo PEÑAS & Emilio ROLÁN
ABSTRACT / RÉSUMÉ / RESUMEN ................................. 13
INTRODUCTION ................................................ 17
MATERIAL AND METHODS ........................................ 18
SYSTEMATIC PART ............................................. 40
Section 1. Shell without spiral sculpture. Ribs
prolonged onto the base ....................... 41
Section 2. Shell without spiral sculpture. Ribs
interrupted suddenly at the periphery of
the last whorl ................................ 73
Section 3. Shell without spiral sculpture (sometimes
with microscopic striae). Ribs fading at
the periphery of the last whorl or before .... 124
Section 4. Shell with partial spiral sculpture .......... 256
Section 5. Shell with spiral sculpture along the
whole whorl, only in interspaces. Ribs
prolonged onto the base ...................... 276
Section 6. Shell with spiral sculpture over the whole
whorl, only in interspaces. Ribs
interrupted at the periphery of the last
whorl ........................................ 340
Section 7. Shell with spiral sculpture in the
interspaces and on the ribs .................. 389
DISCUSSION AND CONCLUSIONS ................................. 407
ACKNOWLEDGEMENTS ........................................... 410
REFERENCES ................................................. 411
APPENDIXES ................................................. 415
INDEX ......................................................... 430
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