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
Patna Marathon "Gangetic Dolphin" has been chosen as the Mascot for Patna Marathon. It has been named "Paltan" which is derived from the biological name of the species "Platanista Gangetica". The mascot has been developed to raise awareness about the conservation needs of the most threatened cetacean and among the world's most threatened mammals and its habitat. Patna Marathon is organized by the Bihar Entrepreneur network (BEN) in association with Bihar Society, Karma Society and various other individuals and organizations. Patna Marathon The Patna Marathon 2012 (PM 2012) is the first international-level marathon organised in Patna, Bihar, India. First edition was held