Monterey Bay, California to the Gulf of California
UPPER: Bahia Magdalena, Baja California Sur, in 1 meter (3 feet) on sandy bottom, animal is 3.2 mm long. Photo: Orso Angulo.
LOWER: Gizzard plates of a specimen of A. inculta from off San Diego, California, USA. Photo: Kelvin Barwick
Behrens (1991) states that "it is common, plowing around on mudflats in bays and lagoons from Monterey Bay, California to the Gulf of California".
• Gould, A.A. (1846). Shells collected by the United States Exploring Expedition under the command of Charles Wilkes. Proc. Boston Soc. Nat. Hist., 2: 153-171.
Rudman, W.B., 2001 (March 2) Acteocina inculta (Gould, 1846).. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/acteincu