2010 Bivalvia taxonomy
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In May 2010, a new taxonomy of the Bivalvia was published in the journal Malacologia. The 2010 taxonomy is known as the Taxonomy of the Bivalvia (Bouchet, Rocroi, Bieler, Carter & Coan, 2010), and was published as Nomenclator of Bivalve Families with a Classification of Bivalve Families.[1] This was a revised system for classifying bivalve mollusks such as clams, oysters, scallops, mussels and so on. In compiling this new taxonomy, the authors used a variety of 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] This classification has since been adopted by 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]
Subclass, order, superfamily incertae sedis
Clade HeterodontaOrder and superfamily incertae sedis
Order incertae sedis
Order †Actinodontida
Order Carditida
Order †Hippuritida
Order Lucinida
Order Myida
Order †Orthonotida
Order Pholadomyida (=Anomalodesmata)
Order Venerida
†"Megalodonts"
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Clade PalaeoheterodontaOrder Trigoniida
Order Unionida
Subclass ProtobranchiaOrder and superfamily incertae sedis
Order Nuculanida
Order Nuculida
Order Solemyida
Subclass AutobranchiaSuperorder, order and superfamily incertae sedis
Superorder HeteroconchiaOrder incertae sedis
Superorder NepiomorphiaOrder †Antipleurida
Order †Praecardiida
Superorder PteriomorphiaOrder and superfamily incertae sedis
Order Arcida
Order Cyrtodontida
Order LimidaOrder Mytilida
Order Ostreida
Order Pectinida
Order Pteriida
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