Austrorossia mastigophora is a species of bobtail squid native to western, southern and eastern Africa, from Guinea and Somalia to the Cape of Good Hope. A doubtful record of this species exists from Chile. It lives at depths to approximately 640 m. On average, females are larger than males; they grow to 46 mm and 31 mm in mantle length, respectively. The type specimen was collected near the east African coast (0°27′S 42°47′E / 0.450°S 42.783°E). It is deposited at the Zoologisches Museum in Berlin. * * Twisted tentacular club of the same specimen.