GastrochaenidaeGastrochaenidae is a taxonomic family of saltwater clams, marine bivalve molluscs in the order Gastrochaenida.GeneraGenera within the family Gastrochaenidae include:Cucurbitula Gould, 1861Dufoichaena Jousseaume in Lamy, 1925Eufistulana Eames, 1951Gastrochaena Spengler, 1783Lamychaena Freneix, 1979Rocellaria Blainville, 1828Spengleria Tryon, 1861Spenglerichaena Carter, 2011