Margaretta barbata is found from the inner shelf off southeastern Australia and New Zealand.
A colour photograph by Karen Gowlett-Holmes is available.
Original description: Cellaria barbata Lamarck, 1816
Locality:
See Cellaria hirsuta, Lamouroux, 1816, Plate 2, Fig. 4.
See Onchopora hirsuta, Busk, 1855, Plate 3.