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
Endangered Species Act of 1969 degrees of protection to more than 30,000 species of animals and plants, whether they are traded as live specimens, fur coats or dried herbs." Finally, the 1969 Act authorized up to $15 million to be appropriated to acquire land for the purpose of conserving, protecting, restoring, or propagating any endangered species. The Endangered Species Act of 1969 was only in effect for four years. It was soon replaced by the Endangered Species Act of 1973. The 1973 act was signed into law by President Richard Nixon, and expanded the protections afforded by the Endangered Species Act of 1969. The act