The Tooth is a distinctive rock outcrop on the eastern slopes of Mount Terror

Mount Terror (Antarctica)

Mount Terror is a large shield volcano that forms the eastern part of Ross Island, Antarctica. It has numerous cinder cones and domes on the flanks of the shield and is mostly under snow and ice. It is the second largest of the four volcanoes which make up Ross Island and is somewhat overshadowed...

, Ross Island

Ross Island

Ross Island is an island formed by four volcanoes in the Ross Sea near the continent of Antarctica, off the coast of Victoria Land in McMurdo Sound.-Geography:...

, at an elevation of about 1,400 metres. The feature lies 1 nautical mile (1.9 km) south-southeast of Tent Peak

Tent Peak

Tent Peak is a tent-shaped peak rising to about 1,570 m midway between Mount Terror and Cape Crozier in eastern Ross Island. Descriptively named by a party of the New Zealand Geological Survey Antarctic Expedition , 1958–59, which occupied the peak as an astronomical control station, January 5,...

 and is reported to resemble a fossilized shark's tooth. Descriptively named by a party of the New Zealand Geological Survey Antarctic Expedition

New Zealand Geological Survey Antarctic Expedition

The New Zealand Geological Survey Antarctic Expedition describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active in 1957-58 and again in 1958-59. The 1957-58 expedition went to the Ross Dependency and named the Borchgrevink Glacier...

(NZGSAE), 1958–59, working in eastern Ross Island.