SiliculidaeSiliculidae is a taxonomic family of small deepwater saltwater clams, marine bivalve molluscs, in the order Nuculanida.Genera and speciesGenera and species in the family Siliculidae include:Propeleda* Propeleda fortiana* Propeleda lanceta* Propeleda longicaudata* Propeleda schmidtiSilicula* Silicula filatovae* Silicula fragilis* ''Silicula rouchi''