144 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Hyperaodon Cope, 1869, Proc. Acad. Nat. Sci. Philadelphia, p. 31 [mis- 

 spelling of Hyper oodon Lacepede; only species mentioned: H. semijunctus 

 Cope, which is a J?iphius]. 



Type species: Hyperoodon butskopf Lacepede ( = Balaena ampullata Forster), 

 by monotypy. 



Distribution: For the northern bottle-nosed whale, Hyperoodon ampullatus 

 Forster: the Arctic Ocean, White and Barents Seas, and North Atlantic 

 from Davis Strait and Spitzbergen to the Baltic and Mediterranean Seas 

 on the east, Rhode Island on the west; in North Pacific from Bering Sea 

 to Japanese waters. For the southern bottle-nosed whale, Hyperoodon 

 planifrons Flower : from Antarctic pack ice to Buenos Aires, Bahia Blanca, 

 Argentina, in the South Atlantic, to Valparaiso (33° S.) and New Zealand 

 in the South Pacific, and to southern and western Australia in the Indian 

 Ocean. 



Hyperoodon planifrons Flower 



Hyperoodon planifrons Flower, 1882, Proc. Zool. Soc. London, 1882: 392; 

 1885, List Cetacea Brit. Mus., p. 10 [type history].— Moreno, 1895, 

 Anal. Mus. La Plata, Zool., 3: 4, fig. 1 (skull, copy of type fig.), pi. 2 

 (skull) [S. Atlantic: Argentina (near mouth Arroyo Sauce Grande, 

 Buenos Aires; Chubut; Bahia Santa Cruz, Santa Cruz); characters; 

 comparisons; osteology; Hyperoodon Burmeisterei Moreno, 1888, (a 

 nomen nudum?) treated as a synonym]. — Lahille, 1899, Primera 

 reunion del Congreso Latinoamericano, 3: 199 [S.Atlantic: Argentina 

 (Buenos Aires; Chubut; Santa Cruz)].— True, 1910, Bull. U.S. Nat. 

 Mus., 73: 77 [distribution]. — Lahille, 1914, Enumeration y zoogeo- 

 grafia de los mamiferos de la Republica de Argentina, p. 32 [S. Atlantic: 

 Argentina (Santa Cruz)] .—Hale, 1931, Rec. S. Australian Mus., 4(3): 

 291, figs. 1, 2 (animal), figs. 3-10 (skull), fig. 11 (teeth), fig. 12 (skele- 

 ton), figs. 13-16 (vertebrae), fig. 17 (sternum), fig. 18 (scapula), fig. 19 

 (forelimb bones) [Indian: Australia (Port Victoria, Yorke Penin- 

 sula)]. — Iredale and Troughton, 1934, Mem. Australian Mus., 6: 

 60 [S. Pacific-Indian: Australia (southern and western seas)]. — Fraser, 

 in Norman and Fraser, 1938, Giant fishes, whales and dolphins, p. 

 270 [general characters]. — Cabrera and Yepes, 1940, Mamiferos sud- 

 americanos, p. 304 [S. Atlantic: Argentina; characters]. — Fraser, 1945, 

 Discovery Rep., 23: 19, figs. 1-3 (skull), fig. 4 (teeth), figs. 5-11 

 (skeletal details) [Indian: Australia (Port Victoria, Yorke Peninsula); 

 S. Atlantic: Argentina (Buenos Aires; Chubut; Bahia de Santa Cruz); 

 South Georgia; South Orkneys; characters]. — Yafiez, 1948, Rev. 

 Biol. Marina Valparaiso, 1: 117 [S. Pacific: Chile; characters]. — 

 Hamilton, 1952, Comun. Zool. Mus. Hist. Nat. Montevideo, 4(66): 

 3 [S. Atlantic: Falkland Islands].— Mann, 1957, Invest. Zool. Chilenas, 

 4: 101 [S. Pacific: Chile; key characters].— Budker, 1959, Whales 



