6. Notomastus annulus Hutchings & Murray, 1984

(Fig. 2e)

Notomastus annulus Hutchings & Murray, 1984: 81, fig. 23–1.

Type material: * Holotype (AM-18618), * Paratypes (BMNH PO 011983.1746), (USNM 81470), (AHF POL Y 1412), (AM-W18619), (AM-W18620) .

Type locality: Tasman Sea (South Pacific Ocean), Australia, Hawkesbury River, New South Wales, Brooklyn Channel, Sta. D 2–3, dredging, - 33.31°S, 151.14°E, December 18, 1979, fine mud and sandy mud with much shell, in shallow protected environments with salinities of 33–35‰, 7 m.

Records: Only known from the type locality.