This thematic volume contains several articles dedicated to the nudibranchs of Australia, New Zealand and both the Americas:
- New Zealand's endemic nudibranchs (Gastropoda, Opisthobranchia) 1-10 / Enderby, T. & Enderby, J.
- The opisthobranch fauna (Gastropoda, Opisthobranchia) of the Mexican states of Colima, Michoacán and Guerrero: filling in the faunal gap 11-22 / Hermosillo, A. & Behrens, D. W.
- Nudipleura (Gastropoda, Opisthobranchia) from the southern Chilean Comau Fjord, with redescription of Polycera priva Marcus, 1959 23-33 / Schrödl, M., Alarcón, M.-A., Bedriñana, L. R., Bravo, F. J., Bustamante, C. M., Carvalho, R., Försterra, G., Gallardo, C., Häussermann, V. & Salmen, A.
- Redescription of Thecacera darwini Pruvot-Fol, 1950 (Opisthobranchia: Nudibranchia) from the Chilean coast 35-42 / Fischer, M. A., Van der Velde, G. & Roubos, E. W.
- A four year survey of the opisthobranch fauna (Gastropoda, Opisthobranchia) from Baja California Sur, Mexico 43-50 / Angulo-Campillo, O.
- A new species of the dorid nudibranch genus Polycera Cuvier, 1817 (Gastropoda, Opisthobranchia) from New Zealand 51-54 / Miller, M. C.
- A new species of the dorid nudibranch genus Tambja Burn, 1962 (Gastropoda, Opisthobranchia) from Australasia 55-60 / Miller, M. C. & Haagh, J. M.
- New records of nudibranchs (Gastropoda, Opisthobranchia) for Australia and for southern Queensland 61-68 / Cobb, G. & Willan, R. C.
- A redescription and taxonomic reappraisal of the Indo-Pacific aeolid nudibranch Trinchesia sibogae (Bergh, 1905) (Gastropoda, Opisthobranchia) 69-75 / Miller, M. C. & Willan, R. C.