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Genus	Species
Aulonogyrus	28
Dineutus	62
Enhydrus	2
Gyretes	15
Gyrinus	77
Heterogyrus	1
Macrogyrus	31
Metagyrinus	1
Orectochilus	14
Orectogyrus	28
Patrus	17
Porrorhynchus	3
Spanglerogyrus	3