The Serra da Galga Formation is a geological formation in Minas Gerais state of southeastern Brazil.

Its strata date back to the Maastrichtian, and are part of the Bauru Group.

[1] It was originally considered a member of the Marília Formation.

[2] Dinosaur remains are among the fossils that have been recovered from the formation.

[3] Three distinct titanosaurids denoted as forms A, B, and C have been found in Area 4.