The Numbakulla are self-existing sky-deities in Arrernte belief. After they had created animals, plants, birds, and humans from the embryonic inapertwa, they became lizards. They also created the "spirit children." Also named as a single deity.
- Leach, Maria, ed. (1984). Funk & Wagnalls Standard Dictionary of Folklore, Mythology, and Legend. New York: HarperCollins.
- Roberts, Ainslie and Charles P. Mountford. (1973). The Dreamtime Book: Australian Aboriginal Myths. Englewood Cliffs, NJ: Prentice-Hall, p. 48.