Table 1.
Information on taxon sampling. Taxon names, localities, accession numbers provided (taxonomic classification in suprafamilial categories follows Bouchet et al. [38]); sequences generated in current study are marked with an asterisk; -: missing sequences
| Taxon | Family | Locality | 18S | 16S | COI | 28S |
|---|---|---|---|---|---|---|
| PULMONATA | ||||||
| BASOMMATOPHORA | ||||||
| SIPHONARIOIDEA | ||||||
| Siphonaria alternata | Siphonariidae | Bermuda | AY427523 | EF489299* | - | AY427488 |
| Siphonaria concinna | Siphonariidae | South Africa | EF489334* | EF489300* | EF489378 | EF489353* |
| Siphonaria capensis | Siphonariidae | South Africa | EF489335* | EF489301* | EF489379* | EF489354* |
| Siphonaria serrata | Siphonariidae | South Africa | EF489336* | EF489302* | EF489380* | - |
| AMPHIBOLOIDEA | ||||||
| Salinator cf. fragilis | Amphibolidae | Australia, NT | - | EF489303* | EF489381* | EF489355* |
| Phallomedusa solida (formerly Salinator solida) | Amphibolidae | Genbank | DQ093440 | DQ093484 | DQ093528 | DQ279991 |
| Amphibola crenata | Amphibolidae | New Zealand, Wellington | EF489337* | EF489304* | - | EF489356* |
| HYGROPHILA | ||||||
| ACROLOXOIDEA | ||||||
| Acroloxus lacustris | Acroloxidae | Germany | AY282592 | EF489311* | AY282581 | EF489364* |
| PLANORBOIDEA | ||||||
| Ancylus fluviatilis | Planorbidae | Germany | AY282593 | EF489312* | AY282582 | EF489365* |
| Bulinus tropicus | Bulinidae | Zimbabwe | AY282594 | EF489313* | AY282583 | EF489366* |
| Planorbis planorbis | Planorbidae | Germany | EF012192 | EF489315* | EF012175 | EF489369* |
| Physella acuta | Physidae | France, Atlantic | AY282600 | AY651241 | AY282589 | EF489368* |
| LYMNAEOIDEA | ||||||
| Lymnaea stagnalis | Lymnaeidae | Germany | EF489345* | EF489314* | EF489390* | EF489367* |
| CHILINOIDEA | ||||||
| Chilina sp. 1 | Chilinidae | Chile | EF489338* | EF489305* | EF489382* | EF489357* |
| Chilina sp. 2 | Chilinidae | Chile | - | EF489306* | EF489383* | EF489358* |
| Latia neritoides | Latiidae | New Zealand, Waikato | EF489339* | EF489307* | EF489384* | EF489359* |
| EUPULMONATA | ||||||
| TRIMUSCULOIDEA | ||||||
| Trimusculus afra | Trimusculidae | Senegal, Gorée | EF489343* | EF489309* | EF489388* | - |
| ELLOBIOIDEA | ||||||
| Myosotella myosotis | Ellobiidae | Croatia | EF489340* | AY345053 | EF489385* | EF489360* |
| Ophicardelus costellaris | Ellobiidae | New Zealand, Wellington | EF489342* | - | EF489387* | EF489362* |
| Ophicardelus ornatus | Ellobiidae | Genbank | DQ0934442 | DQ093486 | DQ093486 | DQ279994 |
| Carychium minimum | Carychiidae | Germany | EF489341* | EF489308* | EF489386* | EF489361* |
| OTINOIDEA | ||||||
| Otina ovata | Otinidae | France | EF489344* | EF489310* | EF489389* | EF489363* |
| SYSTELLOMMATOPHORA | ||||||
| ONCHIDIOIDEA | ||||||
| Onchidium verruculatum | Onchidiidae | Australia, QLD | AY427522 | EF489316* | EF489391* | AY427487 |
| Onchidella floridana | Onchidiidae | Bermuda | AY427521 | EF489317* | EF489392* | AY427486 |
| STYLOMMATOPHORA | ||||||
| CLAUSILIOIDEA | ||||||
| Albinaria sp. | Clausiliidae | Genbank | AY546382 | AY546342 | AY546262 | - |
| HELICOIDEA | ||||||
| Arianta arbustorum | Helicidae | Genbank | AY546383 | AY546343 | AY546263 | AY014136 |
| ARIONOIDEA | ||||||
| Arion silvaticus | Arionidae | Genbank | AY145365 | AY947380 | AY987918 | AY145392 |
| ENOIDEA | ||||||
| Ena montana | Enidae | Genbank | AY546396 | AY546356 | AY546276 | - |
| ATHORACOPHOROIDEA | ||||||
| Athoracophorus bitentaculatus | Athoracophoridae | AF047198 | - | AY150090 | AY014018 | |
| OPISTHOBRANCHIA | ||||||
| APLYSIOMORPHA | ||||||
| AKEROIDEA | ||||||
| Akera bullata | Akeridae | Genbank | AY427502 | AF156127 | AF156143 | AY427466 |
| APLYSIOIDEA | ||||||
| Aplysia californica | Aplysiidae | Genbank | AY039804 | AF192295 | AF077759 | AY026366 |
| THECOSOMATA | ||||||
| CAVOLINIOIDEA | ||||||
| Hyalocylis striata | Cavoliniidae | Genbank | DQ237966 | - | DQ237999 | DQ237985 |
| Cavolinia uncinnata | Cavoliniidae | Genbank | DQ237964 | - | DQ237997 | DQ237983 |
| GYMNOSOMATA | ||||||
| CLIONOIDEA | ||||||
| Spongiobranchaea australis | Pneumodermatidae | Genbank | DQ237969 | - | DQ238002 | DQ237988 |
| Pneumoderma cf. atlantica | Pneumodermatidae | Genbank | DQ237970 | - | DQ238003 | DQ237989 |
| SACOGLOSSA | ||||||
| CYLINDROBULLOIDEA | ||||||
| Cylindrobulla beauii | Cylindrobullidae | USA, Florida | EF489347* | EF489321* | - | EF489371* |
| PLACOBRANCHIDOIDEA | ||||||
| Elysia viridis | Placobranchidae | Genbank | AY427499 | AJ223398 | DQ237994 | AY427462 |
| UMBRACULOIDEA | ||||||
| Umbraculum umbraculum | Umbraculidae | Australia, NSW | AY165753 | EF489322* | DQ256200 | AY427457 |
| CEPHALASPIDEA | ||||||
| HAMINOEOIDEA | ||||||
| Haminoea hydatis | Haminoeidae | France, Atlantic | AY427504 | EF489323* | DQ238004 | AY427468 |
| DIAPHANOIDEA | ||||||
| Diaphana sp. | Diaphanidae | Norway, Kattegat | - | EF489325* | EF489394* | EF489373* |
| Toledonia globosa | Diaphanidae | Scotia Arc, Atlantic | EF489350* | EF489327* | EF489395* | EF489375* |
| PHILINOIDEA | ||||||
| Cylichna gelida | Cylichnidae | Scotia Arc, Atlantic | EF489349* | EF489326* | - | EF489374* |
| Scaphander lignarius | Cylichnidae | Spain Mediterranean Sea | EF489348* | EF489324* | - | EF489372* |
| ACOCHLIDIACEA | ||||||
| HEDYLOPSOIDEA | ||||||
| Unela glandulifera | Parhedylidae | Croatia | AY427517 | EF489328* | - | AY427482 |
| Pontohedyle milaschevitchi | Parhedylidae | Italy | AY427519 | EF489329* | - | AY427484 |
| Hedylopsis spiculifera | Hedylopsidae | Italy | AY427520 | - | - | AY427485 |
| NUDIPLEURA | ||||||
| PLEUROBRANCHOIDEA | ||||||
| Tomthompsonia antarctica | Pleurobranchidae | Antarctica | AY427492 | EF489330* | DQ237992 | AY427452 |
| Pleurobranchus peroni | Pleurobranchidae | Australia, NSW | AY427494 | EF489331* | DQ237993 | AY427455 |
| BATHYDORIDOIDEA | ||||||
| Bathydoris clavigera | Bathydorididae | Genbank | AY165754 | AF249222 | AF249808 | AY427444 |
| TRITONIOIDEA | ||||||
| Dendronotus dalli | Dendronotoidae | Genbank | AY165757 | AF249252 | AF249800 | AY427450 |
| LOWER HETEROBRANCHIA | ||||||
| Orbitestella sp. | Orbitestellidae | New Zealand, North Island | EF489352* | EF489333* | EF489397* | EF489377* |
| ACTEONOIDEA | ||||||
| Rictaxis punctocaelatus | Acteonidae | USA, California | EF489346* | EF489318* | EF489393* | EF489370* |
| Pupa solidula | Acteonidae | Australia, QLD | AY427516 | EF489319* | DQ238006 | AY427481 |
| Hydatina physis | Aplustridae | Australia, NSW | AY427515 | EF489320* | - | AY427480 |
| PYRAMIDELLOIDEA | ||||||
| Turbonilla sp. | Pyramidellidae | New Zealand, North Island | EF489351* | EF489332* | EF489396* | EF489376* |
| CAENOGASTROPODA | ||||||
| Littorina littorea | Littorinidae | Genbank | X91970 | DQ093481 | AY345020 | AJ488672 |