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Family	Genus	Species
Cavoliniidae	5	198
Cliidae	1	10
Clionidae	3	31
Cliopsidae	1	1
Creseidae	4	13
Cuvierinidae	1	7
Cymbuliidae	3	9
Desmopteridae	1	7
Limacinidae	3	11
Notobranchaeidae	1	1
Peraclidae	1	18
Pneumodermatidae	4	28