Physalaemus signifer is a species of frog in the Leptodactylidae family. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, dry savanna, freshwater marshes, and intermittent freshwater marches. It is threatened by habitat loss.

Source

• Van Sluys, M. &da Rocha, C.F. 2004. Physalaemus signifer 2006 IUCN Red List of Threatened Species. Downloaded on 22 July 2007.