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Prionorhynchus edwardsii Jacquinot and Lucas.
—Prionorhynchus edwardsii Jacquinot and Lucas, Voyage au Pole Sud., vol. 3, Crust., p. 8, Pl. 1, Fig. 1. 1853.
— Miers, Cat. Crust. N.Z., p. 11. 1876.
— Hutton, Trans. N.Z. Inst., vol. 11, p. 340. 1878.
— Filhol, Mission de l'Ile Campbell, p. 367, Pl. 42, Figs. 14. 1885.
— Rathbun, Proc. U.S. Nat. Mus., vol. 15, p. 243. 1892.
— Hodgson, “Southern Cross,” Crust., p. 230. 1902.
— Chilton, Subant. Isl. N.Z., vol. 2, p. 608. 1909.
— Chilton, Rec. Cant. Mus., vol. 1, no. 3, p. 290. 1911.
— Thomson, Trans. N.Z. Inst., vol. 45, p. 237. 1913.
— Stephensen, Dr. Th. Mortensen's Pacific Exped. 1914-16, 40, p. 292. 1927.
In very small specimens (carapace 30 mm. long) the granulations on the legs are prominent and extend over all parts except the palm and fingers; in adult specimens they are flat and minute.
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“This species lives at a depth of 4 to 5 metres (2 to 3 fathoms) and is never met with on the shore or under stones. It collects in large groups of two to three hundred individuals, and such groups may be seen on the sea-bottom, covering a considerable area.” (Filhol).
Locality.—Auckland Islands (Jacq. and Lucas; Hodgson; Steensen).
Campbell Island, abundant (Filhol).
Stewart Island (Chilton).
Otago Heads, occasionally in large numbers. (Thomson).
Stewart Island, occasionally in large numbers (W. Traill).
Distribution.—Endemic; chiefly at southern islands.