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Genus	Species
Aulonogyrus	27
Dineutus	62
Enhydrus	2
Gyretes	15
Gyrinus	75
Heterogyrus	1
Macrogyrus	30
Metagyrinus	1
Orectochilus	15
Orectogyrus	28
Patrus	14
Porrorhynchus	3
Spanglerogyrus	3