An assortment of shells of marine bivalves and a few marine gastropods found on a beach in Wales In May 2010, a new taxonomy of the Bivalvia was published in the journal Malacologia Taxonomy of the Bivalvia (Bouchet, Rocroi, Bieler, Carter & Coan, 2010) . The 2010 taxonomy was published as Nomenclator of Bivalve Families with a Classification of Bivalve Families .[ 1] phylogenetic information including molecular analysis , anatomical analysis, shell morphology and shell microstructure, as well as bio-geographic, paleobiogeographical and stratigraphic information.
In this classification, 324 families were recognized as valid. Of those, 214 are known exclusively as fossils . The remaining 110 families occur in the recent past, with or without a fossil record.[ 1] WoRMS , the World Register of Marine Species.[ 2]
The classification system Classification of Class Bivalvia (under the redaction of Rüdiger Bieler, Joseph G. Carter and Eugene V. Coan) (all taxa marked † are extinct) :[ 3]
incertae sedis Family †Archaeocardiidae Family †Camyidae Family †Cardiolariidae Family †Cirravidae Family †Fordillidae Family †Laurskiidae Family †Thoraliidae Family †Tuarangiidae
Order and superfamily incertae sedis Family †Anodontopsidae Family †Baidiostracidae Family †Carydiidae Family †Intihuarellidae Family †Lyrodesmatidae Family †Montanariidae Family †Nyassidae Family †Pseudarcidae Family †Redoniidae Family †Tanaodontidae Family †Zadimerodiidae
Order incertae sedis Superfamily †Anthracosioidea Family †Anthracosiidae Family †Carbonicolidae Family †Opokiellidae Family Priukiellidae Family †Shaanxiconchidae Family †Sinomyidae Superfamily Gastrochaenoidea Superfamily Hiatelloidea Superfamily †Kalenteroidea Superfamily †Modiomorphoidea Family †Cypricardiniidae Family †Hippopodiumidae Family †Modiomorphidae Family †Palaeopharidae Family †Tusayanidae Superfamily Solenoidea
Superfamily †Cycloconchoidea Superfamily †Radiolitoidea Family †Antillocaprinidae Family †Caprinidae Family †Caprinulidae Family †Caprotinidae Family †Diceratidae Family †Hippuritidae Family †Ichthyosarcolitidae Family †Monopleuridae Family †Plagioptychidae Family †Radiolitidae Family †Techmanellidae Superfamily †Requienioidea Superfamily †Babinkoidea Family †Babinkidae Family †Coxiconchiidae Superfamily Lucinoidea Family Lucinidae Family †Mactromyidae Family †Paracyclidae Superfamily Thyasiroidea Superfamily Myoidea Superfamily Pholadoidea
Superfamily †Orthonotoidea Family †Konduriidae Family †Orthonotidae Family †Prothyridae Family †Solenomorphidae Superfamily incertae sedis Superfamily Ceratomyoidea Superfamily Clavagelloidea Superfamily †Edmondioidea Superfamily Myochamoidea Superfamily Pandoroidea Superfamily Pholadomyoidea Family †Burmesiidae Family †Ceratomyopsidae Family †Grammysiidae Family †Margaritariidae Family Parilimyidae Family Pholadomyidae Family †Pleuromyidae Family †Sanguinolitidae Superfamily Thracioidea Clade Septibranchia (within Pholadomyida) Superfamily incertae sedis Superfamily Arcticoidea Family Arcticidae Family† Euloxidae Family †Isocyprinidae Family †Pollicidae Family Trapezidae Family †Veniellidae Superfamily Cardioidea Superfamily Chamoidea Superfamily Cyamioidea Superfamily Cyrenoidea Superfamily Cyrenoidoidea Superfamily Dreissenoidea Superfamily Gaimardioidea Superfamily Galeommatoidea Superfamily Glossoidea Superfamily Mactroidea Superfamily Sphaerioidea Family †Ferganoconchidae Family †Kijidae Family †Limnocyrenidae Family †Neomiodontidae Family †Pseudocardiniidae Family †Sibireconchidae Family Sphaeriidae Superfamily Tellinoidea Superfamily Ungulinoidea Superfamily Veneroidea
Family †Congeriomorphidae Family †Dicerocardiidae Family †Mecynodontidae Family †Megalodontidae Family †Pachyrismatidae Family †Plethocardiidae Family †Wallowaconchidae
Superfamily †Beichuanioidea Liu & Gu, 1988 Family †Beichuaniidae Liu & Gu, 1988 Superfamily †Megatrigonioidea Van Hoepen, 1929 Family †Iotrigoniidae Savelive, 1958 Family †Megatrigoniidae Van Hoepen, 1929 Family †Rutitrigoniidae Van Hoepen, 1929 Superfamily Myophorelloidea Kobayashi, 1954 Family †Buchotrigoniidae Leanza, 1993 Family †Laevitrigoniidae Savelive, 1958 Family †Myophorellidae Kobayashi, 1954 Family †Vaugoniidae Kobayashi, 1954 Superfamily Trigonioidea Lamarck , 1819Family †Eoschizodidae Newell & Boyd, 1975 (syn: Curtonotidae) Family †Groeberellidae Pérez, Reyes, & Danborenea 1995 Family †Myophoriidae Bronn, 1849 (syn: Cytherodontidae, Costatoriidae, Gruenewaldiidae) Family †Prosogyrotrigoniidae Kobayashi, 1954 Family †Scaphellinidae Newell & Ciriacks, 1962 Family †Schizodidae Newell & Boyd, 1975 Family †Sinodoridae Pojeta & Zhang, 1984 Family Trigoniidae Lamarck , 1819 Superfamily †Archanodontoidea Modell, 1957 (placement in Unionoida uncertain) Family †Archanodontidae Modell, 1957 Superfamily incertae sedis Family †Desertellidae Family †Trigonodidae Family †Utschamiellidae Superfamily Etherioidea Deshayes, 1832 Superfamily Hyrioidea Swainson , 1840 Superfamily †Trigonioidoidea Cox, 1952 Family †Jilinoconchidae Ma, 1989 (placement uncertain) Family †Nakamuranaiadidae Guo, 1981 (syn:Sinonaiinae, Nippononaiidae) Family †Plicatounionidae Chen, 1988 Family †Pseudohyriidae Kobayashi, 1968 Family †Sainschandiidae Kolesnikov, 1977 Family †Trigonioididae Cox, 1952 Superfamily Unionoidea Rafinesque , 1820Family Liaoningiidae Yu & Dong, 1993 (placement uncertain) Family Margaritiferidae Henderson, 1929 (syn:Margaritaninae, Cumberlandiinae, Promargaritiferidae) Family †Sancticarolitidae Simone & Mezzalira, 1997 Family Unionidae Rafinesque , 1820
Order and superfamily incertae sedis Family †Afghanodesmatidae Family †Antactinodiontidae Family †Ctenodontidae Family †Eritropidae Family †Pseudocryrtodontidae Family †Tironuculidae
Subclass Autobranchia
incertae sedis Family †Cercomyidae Family †Palaeocardiidae Family †Pucamyidae
Order incertae sedis Family †Amnigeniidae Family †Lipanellidae Family †Palaeomutelidae
Superorder Nepiomorphia
Superfamily †Dualinoidea Family †Dualinidae Family †Spanilidae Family †Stolidotidae Superfamily †Praecardioidea Family †Buchiolidae Family †Praecardiidae Superfamily †Cardioloidea Family †Cardiolidae Family †Slavidae
Order and superfamily incertae sedis Family †Eligmidae Family †Evyanidae Family †Ischyrodontidae Family †Limatulinidae Family †Matheriidae Family †Myodakryotidae Family †Pichleridae Family †Rhombopteriidae Superfamily incertae sedis Superfamily Arcoidea Superfamily Limopsoidea
Order Cyrtodontida Superfamily †Cyrtodontoidea Family †Cyrtodontidae Family †Ptychodesmatidae Superfamily †Falcatodontoidea Superfamily †Modiolopsoidea Family †Colpomyidae Family †Modiolopsidae Family †Saffordiidae Superfamily Mytiloidea Superfamily incertae sedis Family †Euchondriidae Family †Praeostreidae Family †Prospondylidae Family †Saharopteriidae Family †Vlastidae Superfamily Anomioidea Superfamily †Aulacomyelloidea Family †Aulacomyellidae Family †Bositridae Superfamily †Aviculopectinoidea Family †Aviculopectinidae Family †Deltopectinidae Superfamily †Buchioidea Family †Buchiidae Family †Eurydesmatidae Superfamily †Chaenocardioidea Family †Chaenocardiidae Family †Binipectinidae Family †Streblochondriidae Superfamily Dimyoidea Superfamily †Heteropectinoidea Family †Acanthopectinidae Family †Annuliconchidae Family †Heteropectinidae Family †Limpectinidae Superfamily †Halobioidea Family †Claraiidae Family †Daonellidae Family †Halobiidae Superfamily †Leiopectinoidea Superfamily †Monotoidea Family †Dolponellidae Family †Monotidae Superfamily †Oxytomoidea Family †Otapiriidae Family †Oxytomidae Superfamily Pectinoidea Superfamily Plicatuloidea Superfamily †Pseudomonotoidea Family †Hunanopectinidae Family †Pseudomonotidae Family †Terquemiidae Superfamily †Pterinopectinoidea Family †Natalissimidae Family †Pterinopectinidae Superfamily †Ambonychioidea Family †Ambonychiidae Family †Abiellidae Family †Alatoconchidae Family †Inoceramidae Family †Kinerkaellidae Family †Lunulacardiidae Family †Lunulacardiidae Family †Manticulidae Family †Monopteriidae Family †Myalinidae Family †Prokopievskiidae Family †Ramonalinidae Superfamily Pinnoidea Superfamily Pterioidea
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