''Thaumasius'' is a genus in the family of Hummingbirds, and consists of 2 species.

Taxonomy and species list

These two species were formerly placed in the genus '' Leucippus''. A

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study published in 2014 found that ''Leucippus'' was polyphyletic. To resolve the

polyphyly A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of converg ...

these two species were moved to the resurrected genus ''Thaumasius'' that had been introduced by Philip Sclater in 1879 with the spot-throated hummingbird as the type species.

References

Thaumasius Bird genera Taxa named by Philip Sclater {{hummingbird-stub