FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
TRIDACNOIDEA Lamarck, 1819
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 102 [as ‘Les Tridacnées’].
Type genus: Tridacna Bruguière, 1797 = Tridacna
LYMNOCARDIOIDEA Stoliczka, 1870
Stoliczka, 1870. Palaeo. Indica 3(1-4): 205, 211.
Type genus: Lymnocardium Stoliczka, 1870 = Lymnocardium
ADACNOIDEA Gill, 1871
Gill, 1871. Smithsonian Misc. Coll. (227): 20.
Type genus: Adacna Eichwald, 1838 = Adacna
DIDACNOIDEA of Authors, unknown year
Type genus: Didacna Eichwald, 1838 = Didacna
LAEVICARDIOIDEA of Authors, unknown year
Type genus: Laevicardium Swainson, 1840 = Laevicardium
LIMNOCARDIOIDEA of Authors, unknown year
(error for Lymnocardiidae Stoliczka, 1870)
Type genus: Lymnocardium Stoliczka, 1870 = Lymnocardium