Table 5.
List of taxa used in the phylogenetic analysis
| Taxon | Classification | GenBank Accession number |
| Outgroup | ||
| Terebratulina retusa | Brachiopoda | AJ245743 |
| Lumbricus terrestris | Annelida, Clitellata | U24570 |
| Platynereis dumerilii | Annelida, Polychaeta | AF178678 |
| Clymenella torquata | Annelida, Polychaeta | AY741661 |
| Polyplacphora | ||
| Katharina tunicata | Mollusca, Polyplacophora, Neocoleida | U09810 |
| Gastropoda | ||
| Haliotis rubra | Mollusca; Gastropoda, Orthogastropoda, Vetigastropoda | AY588938 |
| Aplysia californica | Mollusca; Gastropoda, Orthogastropoda, Apogastropoda | AY569552 |
| Pupa strigosa | Mollusca; Gastropoda, Orthogastropoda, Apogastropoda | AB028237 |
| Roboastra europaea | Mollusca; Gastropoda, Orthogastropoda, Apogastropoda | AY083457 |
| Biomphalaria glabrata | Mollusca; Gastropoda, Pulmonata, Basammatophora | AY380531 |
| Albinaria caerulea | Mollusca; Gastropoda, Pulmonata, Stylommatophora | X83390 |
| Cepaea nemoralis | Mollusca; Gastropoda, Pulmonata, Stylommatophora | U223045 |
| Scaphopoda | ||
| Graptacme eborea | Mollusca, Scaphopoda, Dentaliida | AY484748 |
| Siphonodentalium lobatum | Mollusca, Scaphopoda, Gadilida | AY342055 |
| Cephalopoda | ||
| Octopus vulgaris | Mollusca, Cephalopoda, Coleoidea, Neocoleoidea, Octopodiformes | AB158363 |
| Loligo bleekeri | Mollusca, Cephalopoda, Coleoidea, Neocoleoidea, Decapodiformes | AB029616 |
| Todarodes pacificus | Mollusca, Cephalopoda, Coleoidea, Neocoleoidea, Decapodiformes | AB158364 |
| Watasenia scintillians | Mollusca, Cephalopoda, Coleoidea, Neocoleoidea, Decapodiformes | AB086202 |
| Bivalvia | ||
| Placopecten magellanicus | Mollusca, Bivalvia, Pteriomorphia, Pectinoida | DQ088274 |
| Mytilus galloprovincialis | Mollusca, Bivalvia, Pteriomorphia, Mytiloida | AY497292 |
| Mytilus edulis | Mollusca, Bivalvia, Pteriomorphia, Mytiloida | AY484747 |
| Crassostrea gigas | Mollusca, Bivalvia, Pteriomorphia, Ostreoida | AF177226 |
| Crassostrea virginica | Mollusca, Bivalvia, Pteriomorphia, Ostreoida | AY905542 |
| Lampsilis ornata | Mollusca, Bivalvia, Palaeoheterodonta, Unionida | AY365191 |
| Inversidens japanensis | Mollusca, Bivalvia, Palaeoheterodonta, Unionida | AB055625 |
| Venerupis phillipinarium | Mollusca, Bivalvia, Heterochonchia, Veneroida | AB065375 |
| Acanthocardia tuberculata | Mollusca, Bivalvia, Heterochonchia, Veneroida | DQ_632743 this study |
| Hiatella arctica | Mollusca, Bivalvia, Heterochonchia, Myoida | DQ_632742 this study |