A Welcome Function (or 'Icebreaker') Sunday afternoon, July 11th from 17:30-19:30 pm at the Western Australian Museum, James Street Mall, Perth.

The Conference Dinner, with a band and dancing to follow the meal, at the Burswood on Swan on Friday, July 16 from 19:30 pm - midnight.

Both events are included with registration.

A two-hour session Tuesday evening (July 13th from 18:00-20:00 pm) for poster presenters to discuss their work with conference participants. Registrants only please. Judges must be present.

Monday, 12th July: Registration from 08:00 a.m. Scientific sessions 09:00 am to 17:00 pm.

Tuesday, 13th July: Registration from 08:00 a.m. Scientific sessions 08:30 am to 17:30 pm. Wine and Cheese Poster session 18:00-20:00 pm.

Thursday, 15th July: Registration from 08:00 a.m. Scientific sessions 08:35 am to 17:30 pm.

Friday, 16th July: Registration from 08:00 a.m. Scientific sessions 08:40 am to 17:10 pm. Conference dinner, Burswood on Swan 7:30 p.m. to midnight. Buses leave at 19:00 from the accommodation and return at 24:00.

Chair: Fred Wells

09:00-09:05 Welcoming comments: Fred Wells

09:05-09:20 Formal opening: The Hon Sheila McHale, MLA, Minister for Community Development; Women's Interests; Seniors and Youth; Disability Services; Culture and the Arts

09:20-09:30 Welcome to the University of Western Australia.

09:30-09:40 Announcements: Fred Wells

10:10-10:40 In search for a sistergroup of Mollusca: the case of Entoprocta (Kamptozoa)Haszprunar, G.* & Wanninger, A.

10:40-11:10 Tea/Coffee

11:10-11:40 Ancient molluscs – 150-years of studying 500-Ma-old snails. Parkhaev, Pavel Yu.

11:40-12:10 Gastropod phylogeny: An overview of the hypotheses, patterns, and predictions. Lindberg, David R.* & Ponder, Winston F.

12:10-12:40 The Caenogastropoda in the Late Palaeozoic and Early Mesozoic: Formation of a superclade. Nützel, A.

12:40-13:40 Lunch

Chair: David Lindberg

13:40-14:10 Vetigastropod evolution: Summary of knowledge, insights from Scissurellidae, macroevolutionary prospects. Geiger, Daniel L.

14:10-14:40 A combined analyses approach to the evolution of the Cephalopoda. Lindgren, Annie R., & Nishiguchi, Michele K.*

Chair: Gee Chapman

14:40-14:50 Ecology introduction

14:50-15:20 The importance of biological invasion on molluscan ecology and biodiversity: A 21^st century perspective. Miller, A.W.

15:20-15:50 Tea/Coffee

Chair: Gee Chapman

15:50-16:20 Urbanisation of coastal areas: threats to marine molluscs and conservation needs. Bulleri, Fabio

16:20-16:50 Using molluscs to indicate loss of biodiversity and to test effects of its loss on the functioning of marine ecosystems. Crowe, Tasman

16:50-17:00 Summary of ecology plenary talks

Chair: Greg Maguire

08:30-09:15 Molluscs in the new millennium. Shumway, Sandra E.

Chair: Tasman Crowe

09:20-09:40 Molluscan habitat produced by intertidal seawalls in Sydney Harbour. Chapman, M.Gee

09:40-10:00 Molluscs on Pyura stolonifera: responses to changes in the physical arrangement of the ascidians. Monteiro, S.

10:00-10:20 Experimental analyses of small-scale associations with features of habitat by juvenile intertidal gastropods: looking at the difficult part of their life-history. Underwood, Anthony J.

10:20-10:40 Preliminary analyses of macromolluscan diversity in central Great Barrier Reef soft sediments. Kosnik, Matthew A.

10:40-11:10 Tea/Coffee

Chair: Fabio Bulleri

11:10-11:30 Fundamental niches as driving factors in marine biodiversity: a case study with bivalves and temperature. Compton, Tanya

11:30-11:50 Interactions between the indigenous mussel Perna perna and the invasive Mytilus galloprovincialis on the south coast of Africa. McQuaid, C.D.*, Bownes, S., Zardi, G. & Rius, M.

11:50-12:10 Genetic variability and phylogeographical patterns of the invasive species Dreissena polymorpha. Astanei, Iulian & Gosling, Elizabeth*

12:10-12:30 Decline and extirpation of unionids in a large Irish lake invaded by zebra mussels: a typical European experience? Maguire*, C.M., Rosell, R. & Roberts, D.

12:30-12:50 Propagation of endangered freshwater mussel populations in the United States. Neves, R.J.

12:50-14:00 Lunch

Chair: Anne Brearley

09:20-09:40 Shell structures of gastropods from hydrothermal vents and seeps. Kiel, S.

09:40-10:00 Morphological studies on the buccal mass of Gundlachia radiata (Guilding, 1828): A contribution to systematics (Gastropoda: Basommatophora: Ancylidae). Santos, Sonia B.

10:00-10:20 Latero-ventral foregut glands: a useful character for systematics in Solenogastres? New ultrastructural results adding to the former knowledge. Todt, Christiane

Chair: Greg Maguire

09:20-09:40 A review of abalone fisheries in Australia. Shepherd, S.A.*, Gorfine, H., Hart, A., Mayfield, S., Mundy, C., and Worthington, D.G.

09:40-10:00 Spatial scales of managing abalone in Tasmania, interactions of fishery dynamics and biology – the ideal and the practical. Pullen, Grant

10:00-10:20 The Roe’s abalone fishery near the Perth metropolitan area, Western Australia. Hancock, B.T. & Caputi, N.*

10:20-10:40 In pursuit of cost-effective enhancement of mollusc fisheries, using blacklip abalone Haliotis rubra as a case study. Heasman, Michael P.

10:40-11:10 Tea/Coffee

Chair: Scoresby Shepherd

11:10-11:30 Long term trends in the world abalone market and the influence of this on the economic viability of abalone aquaculture. Cook, Peter A.

11:30-11:50 Inter-annual and spatial variation in spawning periodicity in blacklip abalone: A case study from South-East Tasmania. Mundy, Craig N*, Gurney, Leigh J, and Nash, Warwick

11:50-12:10 A broodstock conditioning trial with greenlip abalone (Haliotis laevigata) in Western Australia. Freeman, Kylie*, Daume, Sabine, Rowe, Matthew, Maguire, Greg B., Parsons, Steve & Lambert, Rick

12:10-12:30 Seed production techniques of abalone Haliotis discus hannai based on larval and post-larval ecology. Kawamura, Tomohiko* and Takami, Hideki

12:30-12:50 The roles of bacteria, micro and macro algae as a feed for juvenile abalone in aquaculture. Daume, Sabine*, Freeman, Kylie, Graham, Fiona & Davidson, Mark

12:50-14:00 Lunch

Chair: Peter Cook

14:00-14:20 Tropical abalone aquaculture genetics: how gene discovery and analysis informs hatchery practices. Degnan, Bernard M. & Jackson, Daniel

14:20-14:40 The environmental impact of pearling (Pinctada maxima) in Western Australia. Wells, Fred E.*

14:40-15:00 Identifying pearl oyster spawning patterns from spat surveys and dispersion modelling on Australia's North West Shelf. Condie, Scott A., Mansbridge, Jim V., & Hart, Anthony M.*

15:00-15:20 Growth, mortality, and recruitment in wild stocks of the silver-lipped pearl oyster Pinctada maxima, in Western Australia. Hart, Anthony M.* & Joll Lindsay M.

15:20-15:50 Tea/Coffee

Chair: Sabine Daume

15:50-16:10 Diseases of pearl oysters and other molluscs: A Western Australian perspective. Jones, J. Brian* & Creeper, John

16:10-16:30 Effect of the pollutants lead, zinc, hexadecane and octocosane on total and shell growth in the akoya pearl oyster, Pinctada imbricata. Gifford, Scott P.*, Macfarlane, Geoff R., O’Connor, Wayne A. & Hugh Dunstan, R.

16:30-16:50 Performance of triploid Pacific oysters (Crassostrea gigas), produced from diploid or tetraploid broodstock, in cool and warm temperate growout sites in Australia. Maguire, Greg B*, Nell, John A, Thomson, Peter A., Kent, Greg N & Gardner, Caleb

16:50-17:10 Progress in a genetic improvement program for Pacific oysters (Crassostrea gigas) in Australia. Ward, Robert D.* & Thompson, Peter A.

17:10-17:30 Growth in recovering beds of Tasmanian commercial scallops (Pecten fumatus). Haddon, Malcolm*, Semmens, Jayson, and Harrington, Julian

Chair: Gonzalo Giribet

09:20-09:40 Investigation of molluscan phylogeny using large-subunit and small-subunit nuclear rRNA sequences. Passamaneck, Yale J., Schander, Christoffer & Halanych, Kenneth M.*

09:40-10:00 Molluscan phylogeny and evolution: insights from morphogenetic and gene expression analyses. Wanninger, Andreas* & Degnan, Bernard M.

10:00-10:20 Molecular phylogeny of molluscan hemocyanin – a current perspective. Lieb, Bernhard* and Markl, Jürgen.

10:20-10:40 Comparative genomics of molluscan mitochondrial DNA and the systematic significance. Ueshima, Rei

10:40-11:10 Tea/Coffee

Chair: Gerhard Haszprunar

11:10-11:30 Phylogenetic relationships of the molluscan classes. Giribet, Gonzalo, Okusu, Akiko, Lindgren, Annie R., Huff , Stephanie W. & Nishiguchi, Michele K.

11:30-11:50 Phylogenetic relationships of Polyplacophora: Eggs, sperms and gills. Okusu*, Akiko, Schwabe, Enrico & Giribet, Gonzalo

12:10-12:30 Likelihood tests of general phylogenetic hypotheses: monophyletic vs. diphyletic bellerophonts. Wagner, Peter J.

12:30-12:50 Are the living patellogastropods sister taxa? Lindberg, David R.

12:50-14:00 Lunch

Chair: Ellen Strong

14:00-14:20 Phylogeny of Paleozoic gastropods and origin of larval planktotrophy. Frýda, Jiri

14:20-14:40 Caenogastropod evolution interpreted with aid of protoconch morphology. Bandel, Klaus

14:40-15:00 Molecular phylogenetics of the Caenogastropoda. Colgan, D.J.*, Ponder, W.F., Beacham, E., and Macaranas, J.M.

15:00-15:20 Caenogastropod phylogeny – patterns, progress and issues. Ponder, Winston F.

15:20-15:50 Tea/Coffee

Chair: Don Colgan

15:50-16:10 The evolution and phylogeny of the Bivalvia. Giribet, Gonzalo

16:10-16:30 Opisthobranch genomics: Mitochondria and beyond. Medina, Mónica*, Takaoka, Tori, Vallès, Yvonne, Gosliner, Terry & Boore, Jeff

16:30-16:50 Towards an understanding of opisthobranch evolution. Wägele, Heike* & Klussmann-Kolb, Annette

16:50-17:10 Pulmonate phylogeny – what do we really know? Mordan, Peter B*. and Wade, Christopher M.

17:10-17:30 A phylogeny of basal gastropods based on five molecular loci. Huff, Stephanie W.* & Giribet, Gonzalo

Chair: Beata M.Pokryszko

08:35-09:05 Alan Solem’s work on the diversity of Australasian land snails: an unfinished project of global significance. Cameron, Robert A.D.*, Pokryszko, Beata M. & Wells, Fred E.

Chair: Jeff Nekola

09:20-09:40 Land snail diversity in eastern Australia. Stanisic, John

09:40-10:00 Character of the New Zealand land snail fauna and communities. Barker, Gary

10:00-10:20 Variation in land-snail communities from lowland to montane forests in Africa. Seddon, M.B.*, Tattersfield, P., Herbert, D., Lange, C.N., Meena, C., Rowson, B., Warui, C.M., & Allen, J.A.

10:20-10:40 Sri Lankan snail diversity: faunal origins and future prospects. Naggs, Fred* & Raheem, Dinarzarde

10:40-11:10 Tea/Coffee

Chair: Beata M.Pokryszko

11:10-11:30 Richness and evenness of Eastern North American land snail communities. Nekola, Jeff

11:30-11:50 Geographical variation in the composition and richness of forest snail faunas in northern Europe. Pokryszko, Beata* & Cameron, Robert

11:50-12:10 Evolution and diversity of land snails in a laboratory of nature: the Aegean archipelagos. Mylonas, Moysis, Giokas, Sinos, Parmakelis, Aris, Triantis, Kostas & Vardinoyannis, Katerina

12:10-12:30 The shaping of a species: the Azorean Drouetia Gude (Pulmonata: Zonitidae: Oxychilus) as a model. de Frias Martins, Antonio M.

12:30-12:50 Phylogenetic relationships of the genus Amphidromus (Pulmonata : Camaenidae) inferred from mitochondrial DNA sequences. Sutcharit, Chirasak*, Asami, Takahiro & Panha, Somsak

12:50-14:00 Lunch

Chair: Brian Jones

09:20-10:00 Principles of particle processing mechanisms in bivalves. Beninger, Peter G.

10:00-10:20 Pros and cons of small scale native oyster restoration programmes: experiences gained in Strangford Lough Northern Ireland. Smyth, D.*, Roberts, D. & Browne, L.

10:20-10:40 Developing extensive cultivation systems for the restoration of Margaritifera margaritifera in Northern Ireland. Roberts, D.* & Preston, J.

10:40-11:10 Tea/Coffee

Chair: Peter Beninger

11:10-11:30 Which are the benefits of using more selective and efficient bivalve dredges? Gaspar, M.B.*, Leitão, F.M., Santos, M.N., Chícharo, L.M., Chícharo, A. & Monteiro, C.C.

11:30-11:50 Cross fertilization of scallop Chlamys farreri with Patinopecten yessoensis and the character inheritance of the hybrid. Yang Aiguo*, Liu Zhihong, & Wang Qingyin

11:50-12:10 Spatial and seasonal variation in reproductive characteristics and spawning of southern calamary: spreading the mortality risk. Moltschaniwskyj, Natalie* A. & Steer, Michael A.

12:10-12:30 Growth rate estimation of Murex trunculus (Gastropoda: Muricidae): Results of marking / recapture experiments in an earth-pond in the Ria Formosa Lagoon (Algarve - Southern Portugal). Vasconcelos, P.*, Gaspar, M.B., Pereira, A.M., & Castro, M.

12:30-12:50 Reproduction of Adelomelon brasiliana, a commercial volutid from Argentina (Caenogastropoda). Cledón, Maximiliano

12:50-14:00 Lunch

Chair: Robert Cameron

14:00-14:20 Phylogenetic relationships among the Iberus gualterianus-alonensis complex (Gastropoda: Helicidae) group inferred by mtDNA partial sequences (16SrRNA, COI). Elejalde, A.*, Muñoz, B., Arrébola J.R., Cárcaba, A., Ruiz, A.,& Gómez-Moliner, B.J.

14:20-14:40 Environment and dispersal as determinants of species similarity in land snails. Steinitz, O.*, Kadmon, R. & Heller, J.

14:40-15:00 Latitudinal and altitudinal diversity patterns and Rapoport effects in north-west European land snails. Hausdorf, B.

14:50-15:20 Geographical distribution patterns of land snails of Western Ghats, India. Aravind N.A.*, Rajashekhar K.P. and Madhaystha, N.A.

15:20-15:50 Tea/Coffee

Chair: Robert Cameron

15:50-16:10 Documentation and distribution pattern of gastropods in Pangandaran Nature Reserve, West Java, Indonesia. Retnoaji, B.*, Aryenti, M., Agustina S.I.M., & Walesa E.P

16:10-16:30 Seasonal changes of thermal preferences in the Helix pomatia and their relation to winter torpor. Nowakowska, A. Caputa, M., Rogalska, J. & Wentowska, K.

16:30-16:50 Deconstructing Florida Liguus. Watters, G. Thomas

16:50-17:10 Species richness, environmental heterogeneity and area. A test of choros model. Triantis, Kostas A.*, Mylonas, M. & Vardinoyannis K.

09:10-09:20 Introduction. Bieler, Rüdiger

09:20-10:00 Systematics of the Arcoidea. Oliver, P. Graham

10:00-10:40 A new system for Pterioidea (Mollusca: Bivalvia). Tëmkin, Ilya

10:40-11:10 Tea/Coffee

Chair: Graham Oliver

11:10-11:50 A phylogeny of scallop families (Bivalvia: Pectinoidea): Importance of the fossil record. Waller, Thomas R.

11:50-12:30 Palaeoheterodont diversity: What we know and what we wish we knew about freshwater mussel evolution. Graf, Daniel L.* & Cummings, Kevin

12:30-12:50 Aspects of galeommatoidean systematics. Middelfart, Peter

12:50-14:00 Lunch

Chair: Liz Harper

14:00-14:40 Lucinoidea – molecular and morphological evidence reveals non-monophyly and independent acquisition of chemosymbiosis. Taylor, John D.*, Glover, Emily A. & Williams, Suzanne T.

14:40-15:20 Toward a phylogeny of Veneroidea. Mikkelsen, Paula M.*, Bieler, Rüdiger, Kappner, Isabella, & Rawlings, Timothy A.

15:20-15:50 Tea/Coffee

Chair: Paula Mikkelsen

15:50-16:10 The new Lucinoidea - major clades. Glover, Emily A.* and Taylor, John D.

16:10-16:50 Reconstructing the Anomalodesmata: molecules, morphology and fossils. Harper, Elizabeth M.*, Dreyer, H. & Steiner, G.

16:50-17:30 GloBiv: Producing a global illustrated catalogue of the Recent Bivalvia. An open discussion for all bivalve taxonomists and systematists. Moderated by Paul Valentich Scott and Graham Oliver

GloBiv meeting

Chair: Lesley Brooker

09:20-09:40 The H3/H4 Histone gene cluster as new molecular marker in land snail evolution and phylogeny. Armbruster, G.F.J.

09:40-10:00 Phylogenetic relationships of the enigmatic genus Prestonella – the missing African element in the Gondwanan family Bulimulidae (Pulmonata). Herbert, D.G.* & Mitchell, A.

10:00-10:20 Molecular phylogeny of coleoid cephalopods (Mollusca: Cephalopoda) using a multigene approach; the effect of data partitioning on resolving phylogenies in a Bayesian framework. Strugnell, Jan M.*, Norman, M.D, Jackson, J.A., Drummond, A.J., Cooper, A.

10:20-10:40 The phylogenetic affinities of northern Pacific chitons. Eernisse, Douglas J.

10:40-11:10 Tea/Coffee

Chair: Daniel Geiger

11:10-11:30 Doubly uniparental inheritance in Bivalvia: a noteworthy variation to matrilinear inheritance of the mitochondrial genome. Passamonti, Marco* & Scali, Valerio

11:30-11:50 Cryptic species of Austropeplea tomentosa identified and the phylogenetic implications for the Australasian Lymnaeidae. Puslednik, Louise

11:50-12:10 A new look at old lineages: riverine ancestry and the origin of adaptive radiations in limnic gastropods. Glaubrecht, Matthias

12:10-12:30 What about riverine radiation? Diversification patterns of lacustrine versus riverine gastropods in the ancient Malili lake system on Sulawesi, Indonesia. Rintelen, Thomas von* & Glaubrecht, Matthias

12:30-12:50 A molecular phylogenetic perspective on the evolution of freshwater pulmonate snails (Basommatophora). Albrecht, Christian*, Wilke, Thomas, Kuhn, Kerstin, & Streit, Bruno

12:50-14:00 Lunch

Chair: Brian Simison

14:00-14:20 Palaeobiogeographic and phylogenetic problems and solutions in the Australian fossil molluscan record. Cook, Alex G.*, Nützel, Alexander, Fryda, Jiri , & Hocknull, Scott A.

14:20-14:40 Molecular phylogeography of the Patelloida profunda group (Gastropoda: Acmaeidae). Kirkendale, L.

14:40-15:00 On the origins of heteropods. Strong, Ellen E.* & Harasewych, M. G.

15:00-15:20 Molecular systematics and evolution of the gastropod family Turbinidae. Williams, Suzanne T.* and Ozawa, Tomowo²

15:20-15:50 Tea/Coffee

Chair: Edmund Gittenberger

09:20-09:40 Hybridization: Lofty theories, mollusk reality? Heller, J.

09:40-10:00 Using nested clade analyses for determining species boundaries in three Indo-west Pacific Euprymna species. Lopez, Josue, & Nishiguchi, Michele K.*

10:00-10:20 Temporal shifts in the allocation of energy in the arrow squid, Nototodarus gouldi: sex-specific responses. McGrath-Steer, Belinda L*. and Jackson, George D.

10:20-10:40 Mushroom corals and associated gastropods: phylogenies and distributions. Gittenberger, Adriaan*, Gittenberger, Edmund, & Hoeksema, Bert W.

10:40-11:10 Tea/Coffee

Chair: Bernie Degnan

11:10-11:30 Ribbed mussels of the Caribbean: the curse of the sibling species complex. Lee, Taehwan* & Ó Foighil, Diarmaid

11:30-11:50 Molluscan remains from archaeological sites on the north coast of New Guinea. Gerber, Jochen* & Schechter, Esther

11:50-12:10 First record of a fossil chiton from Denmark (Polyplacophora: Leptochitonidae. Sigwart, Julia D.*, Schnetler, K. Ingemann & Andersen, Søren Bo

12:10-12:30 Micromolluscan records and paleoenvironmental change of Yongshujiao reef, South China Sea, in the late Holocene. Feng Weimin, Lan Xiu, Cai Huawei & Pan Huazhang

12:30-12:50 Extinction dynamics near the K/T boundary: Evidence from the nonmarine molluscan record of the Western Interior of North America. Hartman, Joseph H.* & Scholz, H.

12:50-14:00 Lunch

Chair: Rodney Simpson

14:00-14:20 High-resolution records of climate and life history in shells of the short-lived bivalve, Donax variabilis, from northeastern Florida, USA. Jones, D.S.* & Quitmyer, I.R.

14:20-14:40 Parasite – derived variability in shell structure of Lymnaea stagnalis individuals. Zbikowska, E.

14:40-15:00 Gene conservation and early ontogenesis in molluscs. Lynch, Sharon M.

14:50-15:20 Populations of freshwater Neritidae and Thiaridae in an open concrete drain in Fiji. Haynes, Alison

15:20-15:50 Tea/Coffee

Chair: Gilianne Brodie

15:50-16:10 The interaction between radula morphology and feeding type in opisthobranch molluscs. Clarke, Cathryn L.*, Klussmann-Kolb A., & Brodie, Gilianne D.

16:10-16:30 Reconstruction of the phylogeny of the Opisthobranchia (Mollusca, Gastropoda) by means of 18S and 28S rDNA sequences. Vonnemann, Verena*, Schrödl, Michael & Wägele, Heike

16:30-16:50 More than an artist: Olive Hornbook MacFarland's work to complete her husband's studies of opisthobranchiate mollusks of the Pacific Coast of North America. Johnson, Rebecca F.

16:50-17:10 The nudibranch diversity and zoogeography of central Norway. Evertsen, Jussi^* & Bakken, Torkild

17:10-17:30 Photosynthetic activity in sacoglossans. Evertsen, Jussi* & Burghardt, Ingo

Chair: Shireen Fahey

09:00-09:20 The systematics and evolution of Bullidae (Gastropoda: Opisthobranchia. Malaquias, M.A.E. & Reid, D.G.

09:20-09:40 Radiation and ecology of "solar-powered" Nudibranchia. Burghardt, Ingo* & Wägele, Heike

09:40-10:00 An investigation of the biochemical relationships associated with shell reduction and loss in opisthobranch molluscs. Furuhashi*, Takeshi, Brooks, Peter, Brooker, Lesley & Duncan, Peter

10:00-10:20 Phylogenetic relationships of and speciation in Elysiidae (Sacoglossa, Opisthobranchia). Bass, A.L.* & Karl, S.A.

10:20-10:40 The phylogeny of Thordisa (Nudibranchia: Discodorididae) with descriptions of five new species. Chan, Jamie M.* & Gosliner, Terrence M.

10:40-11:10 Tea/Coffee

Chair: Terry Gosliner

11:10-11:30 Systematics and preliminary phylogeny of the genus Tambja Burn, 1962 (Nudibranchia, Polyceridae, Nembrothinae). Pola, M.*, Cervera, J.L. & Gosliner, T.M.

11:30-11:50 Using sperm ultrastructure to examine a species-level phylogeny. Fahey, S.J.* & Healy, J.

11:50-12:50 Unitas meeting – Murdoch lecture theatre.

12:50-14:00 Lunch

Chair: Annette Klussmann-Kolb,

14:00-14:20 Veliger culture, histology and population genetics of several species of nudibranch common to Mumbles, Swansea, UK (with notes on Akera bullata development). Marshall, Helen C.*, Facey, Paul D., & Hayward, Peter J.

14:20-14:40 Minihams’ of Guam, a group of longtailed Haminoeidae (Opisthobranchia: Cephalaspidea). Carlson, Clayton H.* and Hoff, Patty Jo

14:40-15:00 Molluscs as models for examining evolutionary complexities. Fahey, S.J.

15:00-15:20 Recent advances in the systematics and phylogeny of goniodorid nudibranchs. Gosliner, Terrence M.

15:20-15:50 Tea/Coffee

Chair: Heike Wägele

15:50-16:10 Molecular phylogeny and sperm morphology of Chromodoris (Gastropoda: Nudibranchia). Wilson, Nerida G,* Healy, John M., & Lee, Michael S.Y.

16:10-16:30 Comparative study of the cephalic sensory organs in the Opisthobranchia. Klussmann-Kolb, Annette*, Staubach, Sid, & Croll, Roger P.

16:30-17:10 Reproduction in two nudibranchs of the genus Doriopsilla Bergh, 1880 (Gastropoda, Opisthobranchia) with distinctly different developmental strategies. Calado, G.* & Soares, C.

Chair: David Macey

08:40-09:00 Form and function of the larval nervous system in molluscs. Croll, Roger P.

09:00-09:20 Packaging reproductive effort in the whelk, Buccinum undatum: how females of different sizes trade off numbers and size of offspring. Nasution, S., Roberts, D. & Elwood, R.W.E.

09:20-09:40 Morphological changes in the reproductive system of females affected with imposex in populations of Acanthina monodon (Pallas, 1774) (Gastropoda: Muricidae) in Chilean coasts. Huaquín, L.G.*, Osorio, C. & Collado, G.

09:40-10:00 Embryology of Biomphalaria sp. (Mollusca, Planorbidae): different methodologies. Kawano*,T., Watanabe, L.C., & Nakano, E.

10:00-10:20 Intracapsular larval development and nutrition of two Mediterranean coralliophilids, Coralliophila meyendorffii and Babelomurex cariniferus (Neogastropoda. Richter, A., & Luque, Á. A.

10:20-10:40 Radular production rates in three species of intertidal mollusc. Shaw, Jeremy A.*, Macey, David J., Brooker, Lesley R.

10:40-11:10 Tea/Coffee

Chair: Jeremy Shaw

11:10-11:30 Simple spades or sophisticated shovels – the fine structure of chiton teeth. Macey, D.J.*, Brooker, L.R., Wealthall, R.J., & Griffin, B.J.

11:30-11:50 Biomineralization in the radula teeth of chitons and its application to systematics in the Polyplacophora. Brooker, Lesley R.*, Lee, Alasdair P., Macey, David J., Webb, John, & van Bronswijk, Wilhelm

11:50-12:50 Unitas General meeting – Murdoch lecture theatre

12:50-14:00 Lunch

Chair: Thierry Backeljau

14:00-14:20 Mate-choice and possible sperm trading in the hermaphroditic land snail Succinea putris (Pulmonata: Succineidae). Jordaens, K.*, Pinceel, J, & Backeljau, T.

14:20-14:40 The role of temperature and maternal ration in embryo survival: using the dumpling squid Euprymna tasmanica as a model. Steer, M.A.*, Moltschaniwskyj, N.A., Nichols, D.S., & Miller M.

14:40-15:00 Development of the pallial cavity particle processing structures in postlarvae of the oyster Crassostrea gigas. Cannuel, R. and Beninger, Peter G.*

14:50-15:20 Maturation timing in the land snails, Archachatina marginata ovum (Pfeiffer) and Limicolaria flammea (Muller) (Pulmonata: Achatinidae). Egonmwan, Rosemary I.

15:20-15:50 Tea/Coffee

Chair: Antonio de Frias Martins

15:50-16:10 Sinistral variants suffer mating disadvantage despite facultative mating success with dextral majority in the pond snail Lymnaea stagnalis. Asami, Takahiro*, Takayama, Miho, Utsuno, Hiroki & Gittenberger, Edmund

16:10-16:30 Chemical sunscreens in intertidal gastropod egg masses. Przeslawski, Rachel

16:30-16:50 The distribution of Tyrian Purple and influence of reproductive glands on secondary metabolism in the Muricidae. Benkendorff, K.*, Westly, C.B., & Gallardo, C.S.

16:50-17:10 Variations in the penes and gonads of four species of the genus Oliva (Gastropoda: Olividae) from the Philippines. Manalo, I.A.*, Dela Paz, R.M. & Vallejo, B.M.

15:50-16:10 To name or not to name? Dayrat, Benoît

16:10-16:30 Abundance and diversity of molluscs from soft-shallow bottoms of Cariaco Golf, Sucre State, Venezuela. Jiménez, Mayre, Galindo, Lee*, Allen, Thays & Marín, Baumar

16:30-16:50 Swimming behavior of scissurellids (Gastropoda: Scissurellidae), and its taxonomical significance. Hasegawa, Kazunori

16:50-17:10 Systematics, phylogeography and evolution of apple snails (Pomacea spp. Hayes, Kenneth A.

Chair: John Taylor

08:40-09:00 Phylogeny of the subfamily Venerinae (Bivalvia: Veneridae) as inferred from morphology and molecules. Kappner, Isabella

09:00-09:20 A preliminary phylogeny of the Anodontinae (Bivalvia, Unionoida, Unionidae. Bogan, Arthur E.*, Raley, Morgan E., Morrison, Cheryl L., Hoeh, Walter R., King, Tim L., & Levine, Jay F

09:20-09:40 The mitochondrial gene arrangement of two limid bivalves (Mollusca): Limaria hians and Lima inflata. Knapp, Martina*, Dreyer, Hermann, & Steiner, Gerhard

09:40-10:00 A novel molecular approach to the study of a mussel hybrid zone on the west coast of Ireland. Coghlan, Brian & Gosling, Elizabeth*

10:00-10:20 Evolution of photosymbiosis in bivalve molluscs (Bivalvia: Cardiidae). Kirkendale, L.

10:20-10:40 The effect of dams on freshwater mussels (Bivalvia: Unionoidea) in Portugal. Reis, Joaquim

10:40-11:10 Tea/Coffee