- †Actinodontida, Cardiida, Carditida, Hiatellida, †Hippuritida, Lucinida, †Megalodontida, †Modiomorphida, Pandorida, Pholadida, Pholadomyida, Poromyida, Solenida, Thraciida, Trigoniida, Unionida
- Note: Plus superfamiliae †Grammysioidea, †Coxiconchiidae, †Lyrodesmatoidea and familiae †Carydiidae, Lipanellidae, †Tanaodontidae, †Thoraliidae
<nowiki>Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; 異殼下綱; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; Heteroconchia; infra-classe de mollusques bivalves; infraclass of molluscs; صُنيف فرعي من الرخويات; 双壳纲的一个下纲; infraklasse van de tweekleppigen; 异壳下纲</nowiki>
Subcategories
This category has the following 7 subcategories, out of 7 total.