Heterogyrus

Heterogyrus milloti
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Gyrinidae
Subfamily:	Heterogyrinae
Genus:	Heterogyrus; Legros, 1953
Species:	H. milloti
Binomial name
	Heterogyrus milloti; Legros, 1953

Heterogyrus milloti is a species of beetle in the family Gyrinidae, the only species in the genus Heterogyrus.[1] It is endemic to Madagascar, and forms a basal lineage within the family, estimated to have diverged from all other gyrinids (aside from the even earlier branching Spanglerogyrus) 200 million years ago. It is suggested to be closely related to the fossil genera Mesogyrus, Cretotortor and Baissogyrus which constitute the subfamily Heterogyrinae.[2]

References

Gyrinidae Species List Archived 2012-10-23 at the Wayback Machine at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 9 May 2012.
Gustafson, Grey T.; Prokin, Alexander A.; Bukontaite, Rasa; Bergsten, Johannes; Miller, Kelly B. (2017-08-22). "Tip-dated phylogeny of whirligig beetles reveals ancient lineage surviving on Madagascar". Scientific Reports. 7 (1). doi:10.1038/s41598-017-08403-1. ISSN 2045-2322.

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[1] Gyrinidae Species List Archived 2012-10-23 at the Wayback Machine at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 9 May 2012.

[2] Gustafson, Grey T.; Prokin, Alexander A.; Bukontaite, Rasa; Bergsten, Johannes; Miller, Kelly B. (2017-08-22). "Tip-dated phylogeny of whirligig beetles reveals ancient lineage surviving on Madagascar". Scientific Reports. 7 (1). doi:10.1038/s41598-017-08403-1. ISSN 2045-2322.