Genus MESOPLODON Gervais.
MESOPLODON BIDENS (Sowerby).
North Atlantic Ocean; northern France to Norway and Sweden; Nantucket
Island, Massachusetts.
MESOPLODON EUROPÆUS (Gervais).
North Atlantic Ocean; English Channel; New Jersey.
MESOPLODON GRAYI Haast.
New Zealand and Chatham Islands; Bahia Nueva, Patagonia (Moreno).
MESOPLODON DENSIROSTRIS (Blainville).
Indian Ocean and South Seas; Lord Howe Island; Seychelles Islands;
South Africa; Massachusetts(?).
MESOPLODON HECTORI (Gray).
New Zealand.
MESOPLODON BOWDOINI Andrews.
New Zealand.
MESOPLODON LAYARDI (Gray).
South Seas; New Zealand, Chatham Islands; Australia; Cape of Good Hope.
MESOPLODON STEJNEGERI True.
North Pacific Ocean; Bering Island and Oregon.
Genus ZIPHIUS Cuvier.
ZIPHIUS CAVIROSTRIS Cuvier.
Cosmopolitan.
Genus BERARDIUS Duvernoy.
BERARDIUS ARNUXII Duvernoy.
New Zealand.
BERARDIUS BAIRDII Stejneger.
North Pacific Ocean; Bering Island and St. George Island, Bering Sea,
to Kiska Harbor, Alaska, and Centerville, California.
Genus HYPEROÖDON Lacépède.
HYPEROÖDON AMPULLATUS Forster.
Arctic and North Atlantic oceans; Mediterranean Sea; southern France;
New York Bay, Newport, Rhode Island, and Cape Cod,
Massachusetts.
HYPEROÖDON PLANIFRONS Flower.
Indian and Pacific oceans; Lewis Island, Australia; Province of
Buenos Ayres, Argentina, and territories of Chubut and Santa
Cruz, Patagonia.