Tellinidae
(tree size 1796)
Psammobiidae
(tree size 405)
Donacidae
(tree size 214)
Bean clams
Solecurtidae
(tree size 102)
Semelidae
(tree size 436)
Scrobiculariidae
(tree size 1)
Unicardiopsidae
Icanotiidae
Tancrediidae
(tree size 10)
Sowerbyidae
Quenstedtiidae