Squalodontidae closely related to the South Asian river dolphin ("Platanista gangetica"). The genus "Squalodon" was named by French naturalist Jean-Pierre Sylvestre de Grateloup in 1840 based on a jaw fragment he thought belonged to a reptile. Fossils discovered later, nevertheless, showed that this was a toothed whale. In extant odontocetes, however, the dentition is atavistic with all teeth reduced to simple, undifferentiated conical shapes. In squalodonts the teeth resemble those of the archaic whales, Archaeoceti, with conical incisors anteriorly and low-crowned, serrated teeth posteriorly. Squalodontidae Squalodontidae or the shark-toothed dolphins is an extinct family of large toothed whales who had long
Zoo Tycoon 2: Endangered Species Zoo Tycoon 2: Endangered Species Zoo Tycoon 2: Endangered Species is the first of the "Zoo Tycoon 2" expansion packs (The others are "", "", the downloadable "" and ). It gives the player 20 new animals, some of them are rare, such as the Florida Panther and the koala, as well as giving the player new innovations such as sky trams, Jeep rides, elevated paths and several new campaigns and challenges. With the addition of this expansion pack, the player can create a Jeep Wrangler or Jeep Commander tour through the zoo's exhibits. The new sky tram routes allow