Arktocara ("Platanista gangetica") which inhabits the tropics, making it its closest living relative. Allodelphinidae also included the genera "Allodelphis", "Goedertius", "Ninjadelphis", and "Zarhinocetus". Its discovery further reinforces the theory that the Platanistoidea river dolphins originated in the oceans. Of the characteristics it shared with other platanistoids was a cylindrical projection of the periotic bone in the ear, deeply grooved rostral sutures on the beak, the widening of the cranium, a depression on the roof of the orbit in the eye socket, a smaller exposed palatine bone in the roof of the mouth, an elongated and convex spine in the tympanic bulla
Harike Wetland (6 & 32 taxa), Crustaceans (27 taxa), Annelids (7 taxa), Nematodes (7 & 4 taxa), Rotifers (59 & 13 taxa), and Protozoans (5 & 21 taxa). The Indus dolphin (Platanista gangetica minor) supposed to have become extinct in India after 1930, but largely found in the Indus river system in Pakistan, was recently sighted in the Beas River in Harike wetland area. This aquatic mammal classified as an endangered species in the Red Data Book of the International Union for the Conservation of Nature and Natural Resources is considered a significant find. The dolphins were discovered by Basanta Rajkumar, IFS