Myoida
Myoida est ordo bivalvium classis molluscum.

Classificatio 
 Superfamilia Anomalodesmacea 
 Superfamilia Gastrochaenoidea
 Gastrochaenidae 
 Superfamilia Hiatelloidea
 Hiatellidae 
 Superfamilia Myoidea
 Myidae 
 Corbulidae 
 Superfamilia Pholadoidea
 Pholadidae 
 Teredinidae

Nexus externi 
 

Bivalvia
Ordines animalium
Taxa Stoliczka
Taxa 1870