Micropternus is a genus in the woodpecker branch of the bird family Picidae.
Micropternus: Greek mikros small; pterne: heel.

1/ Rufous woodpecker (Gõ kiến nâu, Micropternus brachyurus)
formerly placed in the South American genus Celeus. Studied in 2006 based on DNA sequence comparisons confirmed that the rufous woodpecker is not closely related to Celeus and is a sister of the genus Meiglyptes and best placed within the monotypic genus Micropternus.