Chimerogyrus gigagalea is a fossil species of beetle in the family Gyrinidae, the only known species in the genus Chimerogyrus. It is known from a larval form found in Cenomanian aged Burmese amber of Myanmar. it was found to be a member of Gyrininae, sister to Dineutini + Orectochilini. References † Fossil taxa described in 2020 Burmese amber Prehistoric beetle genera † Cretaceous insects