Most toothed whales are small dolphins and porpoise, however there are a few large toothed whales such as the killer whale and the mighty sperm whale, which grows to 60 feet (18.3 meters) in length. The ocean is part whale pee. The narwhal is an odontocete or toothed whale, but is different from all other toothed whales in that it has no teeth in its mouth. Odontoceti (toothed whales; cohort Mutica, order Cetacea) A suborder of marine mammals that comprises ancestral forms, known from the Upper Eocene, and the four superfamilies: Squalodontoidea (extinct forms), Platanistoidea (river dolphins), Physeteroidea (large whales), and Delphinoidea (smaller whales, dolphins, and porpoises).Teeth are always present, and may be numerous (e.g. Dolphins Dolphins - the Odontocetes (toothed whales), a group that also diverged from the Archaeoceti about 25-35 MYA. Some species of whales are among the longest lived mammals. There are two types of whales, Baleen Whales and Toothed Whales. Toothed whales account for most species of cetaceans and include everything from the massive sperm whale to beaked whales and all dolphins and porpoises. Baleen whales feed from krill and plankton. Toothed whales are believed to be some of the most intelligent animals on earth. Odontocetes, or toothed whales, are an order of cetaceans that includes dolphins, porpoises and all other whales that have teeth, such as sperm whales. But in addition to whales the toothed whale suborder also consists of all species of dolphin and porpoise. 5. In fact, the spiral tusk of a narwhal is actually a massive tooth! In males, the more prominent tooth grows into a swordlike, spiral tusk up to 10 feet long.The ivory tusk tooth grows right through the narwhal's upper lip. The blue whale is the largest known creature to ever inhabit the planet. 4. Scientists estimate bowhead whales (a baleen whale found in the Arctic) can live for more than 200 years, and killer whales (a toothed whale found in various habitats worldwide) can live for more than 100 years. It was first discovered during the 19th century and was given the name Dorudon – a name which means “spear-toothed.” Krill are shrimp-like creatures which are very important ocean creatures. Accumulated ear wax can tell a whale's age. 3. Image courtesy of Kristin Laidre.Download image (jpg, 80 KB). The blue whale ( Balaenoptera musculus ) is a marine mammal belonging to the baleen whales.
Read More. Whales can hold their breaths for at least 20 minutes. There are several species of whales out there, but they are classified according to the way they feed in two types, baleen whales and toothed whales. Toothed whales eat mainly larger fish, squid, octopus and some eat other marine mammals but their teeth are not for chewing. Pod of narwhals, northern Canada, August 2005.

Odontocetes are generally described having a single blowhole, a fatty tissue lump (Melon) forming the forehead which is thought to be used in focusing sound in echolocation and an asymmetrical skull with the right side being more developed than the left side. These legendary animals have two teeth. Below are 15 fun facts about whales, proving that these creatures are a wonder of nature.

A narwhal is a medium-sized, toothed whale that is only found in Arctic waters. Nearly 90% of cetacean species are toothed whales. Dorudon is a prehistoric whale which lived approximately 41 to 33 million years ago during the Late Eocene Period. Whale "vomit" is used in perfumes.