Lucinida (formerly Lucinoida) is a taxonomic order of saltwater clams, marine bivalve molluscs.
In 2010, a new proposed classification system for the Bivalvia was published in by Bieler, Carter & Coan, revising the classification of the Bivalvia. Lucinoida (now Lucinida) thus became an order of its own. It includes the following two superfamilies:
^ a b Lucinoida Gray, 1854. Retrieved through: World Register of Marine Species on 10 July 2010.
^ Bieler, R., Carter, J.G. & Coan, E.V. (2010) Classification of Bivalve families. Pp. 113-133, in: Bouchet, P. & Rocroi, J.P. (2010), Nomenclator of Bivalve Families. Malacologia 52(2): 1-184